n. 掉落；空投；滴落物
v. 落下；累垮；减少；垂下（眼睛）；中途卸客（drop 的现在分词）
词根：drop
adj.
dropped 抛踢球得分的
n.
drop 滴；落下；空投；微量；滴剂
dropper 滴管；使滴下的东西；点滴器
v.
dropped 下降，减少；掉下，滴下（drop的过去式和过去分词形式）
vi.
drop 下降；终止
vt.
drop 滴；使降低；使终止；随口漏出
1.The temperature keeps dropping.
温度持续下降。
2.It really annoys me when I see people dropping litter.
看到别人乱丢垃圾我非常生气。
3.Toolbelts free both hands and lessen the risk of dropping hammers.
工具带解放了双手，并减少了锤子掉落的危险。
4.The number of sharks in the world is dropping fast.
世界上鲨鱼的数量正在迅速减少。
5.This was one of the factors that led to President Suharto's dropping of his previous objections.
这是导致苏哈托总统放弃他先前反对意见的因素之一。
6.My sister stumbles past me, dropping her wand, and cries into her lap.
我妹妹踉跄地越过我，丢下她的魔棒，哭倒在她的膝上。