小处at,大处in 例:Li and I arrived at Heishan county safe and sound, all is well. Dont worry. 李和我平安地到达黑山县,一切很好,勿念。 I live in a great city (big city), my sister lives at a small town while my parents live at a village. 我住在大城市,我姐姐住在一个小城镇,而我的父母则住在农村。 Im in Liaoning, at Anshan. 我住在辽宁省鞍山市。 有形with无形by,语言 、单位、材料in 例:The workers are paving a road with stone. 工人们正用石子铺路。(有形) The teacher is correcting the paper with a new pen. 这位教师正用一支新笔批改论文。(有形) Taking Tiger Mountain by Strategy is a good opera. 《智取威虎山》是-出好戏。(无形) The product is separated by distilation into gasoline and gas oil. 这种产品是用蒸馏分离出气油和粗柴油。 (表示方式、手段、方法-无形) I really cant express my idea in English freely in-deed. 我确实不能用英语流利地表达我的思想。 (表示某种语言用in) I wrote a novel in Russian. 我用俄语写了一本小说。(同上) The kilometer is the biggest unit of length in the metric system. 公里是米制中最长的长度单位。 (表示度、量、衡单位的用in ) |