1.
There are two collections a day from this letter-box, ie The postman empties it twice a day.
这个信筒每天收信两次（邮递员每天取走两次）.
2.
She flashed the torch as a signal.
她用手电筒发信号.
3.
Take the letter to the post.
请把这封信投到邮筒里。
4.
pop a letter in the post
把信一下子投进邮筒
5.
Tell me where I can post them.
请问,哪里有投信的邮筒?
6.
He dropped the letter in the mailbox.
他把信投入了邮筒。
7.
Take this letter to the post, please.
把这封信投入邮筒。
8.
He dropped two letters into a post box.
他把两封信投入了邮筒。
9.
I signaled to them with a flashlight.
我用手电筒向他们发信号。
10.
I put one in every mailbox on the street.
我在街上的每个邮筒里投了一封信。”
11.
A pillar box for me to post letters stands in a petrol kiosk.
在加油站里有一个供我寄信的邮筒。
12.
He stopped at the pillar-box and dropped the letter in.
他在邮筒旁停下，把信投了进去。
13.
Now there are two mailboxes for the different letters.
现在设有两种不同信件的邮筒。
14.
Will you pop this letter in the post for me?
你能帮我把这封信投进邮筒吗？
15.
Can I post this letter and card in a post box?
我可以在邮筒寄这封信和贺卡吗？
16.
Drop the love letter in the mail, and look forward to the response.
把信投入邮筒，然后等着回音吧。
17.
get a busy signal
从(听筒中)听到占线的信号声
18.
I dropped the letter in the mail-box on the corner.
我把信投进了拐角处的邮筒里。