Use the inflater to fill the air mattress.

使用充气装置给气垫充气。

The inflater is essential for camping trips.

充气装置是露营旅行的必备品。

He bought a new inflater for his bicycle tires.

他为自行车轮胎买了一个新的充气装置。

The inflater can also be used for inflating pool toys.

充气装置也可以用来给泳池玩具充气。

Make sure the inflater is fully charged before you leave.

离开前确保充气装置充满电。