1. a precipitous drop in commodity prices.
   商品价格急剧下跌。
2. Drop in my house.
   路过时请到我家来。
3. He usually drops in at my place on his way home.
   他常常在回家的路上顺便来看看我。
4. I dropped the letter in the mailbox on the corner.
   我把信投入了拐角处的邮筒里。
5. I drop the letter in the mailbox on the corner.
   我把信投在拐角处的邮箱里。

　1个动词解释