1. The drop in temperature frosted the tomato plants.
   气温下降冻坏了番茄苗。
2. They dropped in for a chat last night.
   他们昨晚顺便来闲聊了一会儿。
3. He stopped at the mailbox and dropped the letter in.
   他在邮筒前停了下来, 把信投了进去。
4. A cool breeze caused a precipitate drop in the temperature.
   冷风使温度急降。
5. I object to being repeatedly dropped on in this manner.
   我反对用这种方式屡次被挑中。
6. The glut of coffee led to a sharp drop in prices.
   咖啡供过于求道致价格急剧下跌。
7. The roof of the cave dropped in on the miners, trapping them.
   洞穴的顶部坍了下来, 砸在矿工身上。
8. He had gambled and roistered and drunk until he dropped in his tracks.
   他赌博闹事又醉酒, 直到当场死去为止。
9. The Smiths dropped in on some old friends on their vacation trip to New York.
   史密斯一家去纽约度假时顺道拜访了一些老朋友。
10. Lisbon’s foreign earnings have been badly hurt by the drastic drop in tourism.
    由于旅游业的严重滑坡,里斯本的外汇收入大受影响。
11. Drop in now and again.
    有空过来玩吧。
12. It shows that there is plenty of plastosome and smooth endoplasmic reticulum and there are a great number of adeps drop in cyto plasma with only a little apopto...
    提示坤宁安具有预防和延缓颗粒细胞凋亡而达到阻止卵泡闭锁、颗粒细胞分泌雌激素增多的目的,可能是防治更年期综合征的主要机理。
13. RISI, a global forest products information source, reports an average paper demand drop of 4% in 2007 with coated freesheet grades down 9%, mechanical grades down 2%, uncoated freesheet down 4%.
    瑞西，全球森林产品的信息来源，报告的平均需求量下降了4 ％ ，在2007年与涂层免费等级下降了9 ％ ，机械等级下降2 ％ ，未免费下跌4 ％ 。

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