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1·Yesterday she found this leaflet in her letter-box.

昨天她在信箱里发现了一张宣传单。

2·The key which you posted was in the locked letter-box too.

你邮寄的钥匙也在锁着的信箱里。

3·The postman tried to crush the packet through the letter-box.

邮递员使劲把信件塞进信箱里。

4·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）。

5·There's no use peering through the letter-box. The place is as still as the grave. They must have forgotten we were coming.

不用朝投信口里张望了，这里静静的没有一点儿声响，他们准把我们来这里的事忘了。

6·When the letter carrier delivers your order, check the box before signing for it.

当那个邮递员将你订购的货物送到时，签收之前检查那个包装盒。《柯林斯英汉双解大词典》

7·Never leave a spare key in a hiding place like under a door-mat, in a flower pot or inside the letter box--a thief will look there first.

不要把你的备用钥匙藏在你认为安全的地方，比如门垫下面，花盆里或信箱中，那些都是小偷首先会搜查的地方。

8·That afternoon she dropped it into the letter box at the post office.

下午的时候她把信放进了邮局的邮箱。

9·At the bottom of this plate, an aperture had been pierced exactly similar to the orifice of a letter box.

在那铁皮的下方，开了一个口，和信箱的口完全同一样。

10·He listens to the awakening of the new day: the clock on the dresser ticks hurriedly and the letter box snaps awake.

他倾听新的一天从昏睡中醒来：碗橱上的表滴滴答答急促地响个不停，信箱突然咔哒响了一声。

信箱

1·Yesterday she found this leaflet in her letter-box.

昨天她在信箱里发现了一张宣传单。

2·The postman tried to crush the packet through the letter-box.

邮递员使劲把信件塞进信箱里。