Have you sent in your application yet?
你把申请书寄去了没有？
Please send the letter on to my new address.
请把信件转寄到我的`新地址。
She sent to say that she was coming home.
她托人捎话说她要回家了。
The people we met in France have sent us a card.
我们在法国结识的人给我们寄来了一张贺卡。
I'd like to send this express, please.
劳驾，我要寄快递。