214.version.c天体,译本; 215.orbit.c轨道; 216.collision.n碰撞; 217.course.n过程; 218.telescope.c望远镜; 219. doomsday世界末日; 220.New Yorker Times纽约时报; 221.illusion.n错觉; 22crash.c碰撞; 223.chevrons人字形; 224.highway.n公路;motorway.n高速公路; 225.excessive speed超速; 226.curve.c曲线; 227.slope.c斜坡; 228. Amtrak美国铁路客运公司; 229.ridership.n客运量; 230.rail system铁路系统; 231. downswing.下滑; 232.convenience.n方便; 233.flier.c飞行者; 234. empire.n帝国; 235.audience.c观众; 236.cream.n奶油; 237.butter.n黄油; 238.composition.n成分; 239.substance.c物质; 240.mystery.n神秘; |