用法:
v. 推动；帮助；宣扬；下降；终止
n. 滴；落下；空投；微量；滴剂
I felt a rain drop dripping on my head.
我感到一滴雨滴在我头上。
After long hours of work, the man seemed to drop from exhaustion.
长时间的工作后，这位男士看起来要累垮了。
She dropped four lambs during the night.
晚上她生了四只小羊崽。
Don't drop the cup on the floor.
不要把杯子掉在地上。
She dropped her keys.
她把钥匙弄掉了。
I thought I felt a drop of rain.
我感到有一滴雨落在身上。
