发布时间： 2016年05月19日
1. How does nature form a danger to people in the world and how can science help reduce that threat? [问] reduce的主要用法有哪些? [答] reduce意为\"把......减少\"、\"降低(价格)\"、\"缩小(程度、尺寸等)\"，是及物动词。例如： She reduced her weight by 6 kilograms. 她的体重减轻了6公斤。 The bike was reduced from 300 yuan to 200 yuan. 这辆自行车的价格从300元降到200元。 You must reduce your expenses. 你必须减少你的开支。 reduce还表示\"使成为\"、\"使处于(某种状态)\"，多用于被动语态，且与介词to连用。例如： The house was reduced to ashes. 房子被烧成灰烬。 In the past, she was reduced to begging. 在过去，她被逼得去讨饭。 2. Some people got into a total panic, when the typhoon pulled the roofs off their houses and cars went up in the air. [问] get into a panic表示什么意思? [答] get into a panic意为\"进入恐慌状态\"，是固定搭配，可与about连用，引出原因。例如： They got into a panic about the fire in the building. 他们因大楼起火而变得慌乱起来。 He got into a panic when he thought he\'d forgotten the passport. 他想起忘了带护照时，惊慌起来。 3. The sight of it awoke the scientist in my uncle to go and see it from closer at hand. [问] at hand能用by hand替代吗? [答] 不能。 at hand意为\"在近处\"，是介词短语，而by hand则表示\"用手\"。例如： We live close at hand. 我们住在附近。 Fortunately there was someone at hand. 幸好附近有人。 This desk was made by hand. 这张桌子是手工制作的。 at hand还表示\"在手边\"、\"即将来到\"，作状语或表语。
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