您要查找的是不是：
- Mechanism of Flow Drop Pit Forming During Process of Rill Eros ion Over Slope 细沟侵蚀过程中水流跌坑的发生机理探讨
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- The old man is dropping away in the sofa. 这位老人在沙发上打起瞌睡来。
- The airplane was attacked by dropping bombs. 这架飞机遭到炸弹的袭击。
- Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
- I tripped over, dropping the tray I was carrying. 我绊了一下，手中的托盘掉在地上了。
- Men were dropping like flies in the intense heat. 人们抵受不住酷热而纷纷倒下。
- The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。
- He said he would drop her like a hot potato. 他说他会把她像烫手的东西一样迫不及待地扔掉。
- The rain is leaking in large drop through the roof. 雨正大滴大滴地从屋顶漏下来。
- The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
- I kept dropping hints but he still didn't twig. 我一直不停地暗示他，但他还是不懂。
- Constant dropping wears away a stone. 滴水穿石。
- A hole or pit, especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
- The business of the company was dropping off. 这家公司的生意日益清淡。
- Interest in the book began to drop off. 人们对这本书的兴趣开始减退了。
- The lecturer faltered after dropping his notes. 那讲师讲稿掉了以後言语就结巴了。
- A drop of blood slid down his leg. 他的腿上流着一点儿血。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- He drank the wine slowly, savouring every drop. 他慢慢地喝着酒，细细品尝着每滴酒的滋味。
