春天提早到来了，但这是个坏消息
<p><span word="Across">Across</span> <span word="much">much</span> <span word="of">of</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span>, <span word="a">a</span> <span word="warming">warming</span> <span word="climate">climate</span> <span word="has">has</span> <span word="advanced">advanced</span> <span word="the">the</span> <span word="arrival">arrival</span> <span word="of">of</span> <span word="spring">spring</span>. <span word="This">This</span> <span word="year">year</span> <span word="is">is</span> <span word="no">no</span> <span word="exception">exception</span>. <span word="In">In</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="Southeast">Southeast</span>, <span word="spring">spring</span> <span word="has">has</span> <span word="arrived">arrived</span> <span word="weeks">weeks</span> <span word="earlier">earlier</span> <span word="than">than</span> <span word="normal">normal</span> <span word="and">and</span> <span word="may">may</span> <span word="turn">turn</span> <span word="out">out</span> <span word="to">to</span> <span word="be">be</span> <span word="the">the</span> <span word="warmest">warmest</span> <span word="spring">spring</span> <span word="on">on</span> <span word="record">record</span>.</p><p>美国大部分地区，气候变暖已导致春季提前到来，今年也不例外。东南部分地区，春天提前了几周，可能会成为史上最温暖的春季。</p><p><span word="Apple">Apple</span> <span word="blossoms">blossoms</span> <span word="in">in</span> <span word="March">March</span> <span word="and">and</span> <span word="an">an</span> <span word="earlier">earlier</span> <span word="start">start</span> <span word="to">to</span> <span word="picnic">picnic</span> <span word="season">season</span> <span word="may">may</span> <span word="seem">seem</span> <span word="harmless">harmless</span> <span word="and">and</span> <span word="even">even</span> <span word="welcome">welcome</span>. <span word="But">But</span> <span word="the">the</span> <span word="early">early</span> <span word="arrival">arrival</span> <span word="of">of</span> <span word="springtime">springtime</span> <span word="warmth">warmth</span> <span word="has">has</span> <span word="many">many</span> <span word="downsides">downsides</span> <span word="for">for</span> <span word="the">the</span> <span word="natural">natural</span> <span word="world">world</span> <span word="and">and</span> <span word="for">for</span> <span word="humans">humans</span>.</p><p>三月份苹果树开花，野餐季节提前开始，这些看起来好像不是什么坏事，人们甚至还挺开心。但春季提前转暖对自然界和人类有很多不利之处。</p><p><span word="Rising">Rising</span> <span word="temperatures">temperatures</span> <span word="in">in</span> <span word="the">the</span> <span word="springtime">springtime</span> <span word="signal">signal</span> <span word="plants">plants</span> <span word="and">and</span> <span word="animals">animals</span> <span word="to">to</span> <span word="come">come</span> <span word="alive">alive</span>. <span word="Across">Across</span> <span word="the">the</span> <span word="United">United</span> <span word="States">States</span> <span word="and">and</span> <span word="worldwide">worldwide</span>, <span word="climate">climate</span> <span word="change">change</span> <span word="is">is</span> <span word="steadily">steadily</span> <span word="disrupting">disrupting</span> <span word="the">the</span> <span word="arrival">arrival</span> <span word="and">and</span> <span word="interactions">interactions</span> <span word="of">of</span> <span word="leaf">leaf</span> <span word="buds">buds</span>, <span word="cherry">cherry</span> <span word="blossoms">blossoms</span>, <span word="insects">insects</span> <span word="and">and</span> <span word="more">more</span>.</p><p>春季气温升高，动植物会苏醒。在美国和全世界范围内，气候变化不断扰乱发芽、樱花、昆虫等的出现和活动。</p><p><span word="Records">Records</span> <span word="managed">managed</span> <span word="by">by</span> <span word="the">the</span> <span word="USA">USA</span> <span word="National">National</span> <span word="Phenology">Phenology</span> <span word="Network">Network</span> <span word="and">and</span> <span word="other">other</span> <span word="organizations">organizations</span> <span word="prove">prove</span> <span word="that">that</span> <span word="spring">spring</span> <span word="has">has</span> <span word="accelerated">accelerated</span> <span word="over">over</span> <span word="the">the</span> <span word="long">long</span> <span word="term">term</span>. <span word="For">For</span> <span word="example">example</span>, <span word="the">the</span> <span word="common">common</span> <span word="yellow">yellow</span> <span word="trout">trout</span> <span word="lily">lily</span> <span word="blooms">blooms</span> <span word="nearly">nearly</span> <span word="a">a</span> <span word="week">week</span> <span word="earlier">earlier</span> <span word="in">in</span> <span word="the">the</span> <span word="Appalachian">Appalachian</span> <span word="Mountain">Mountain</span> <span word="region">region</span> <span word="than">than</span> <span word="it">it</span> <span word="did">did</span> 100 <span word="years">years</span> <span word="ago">ago</span>.</p>
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