backpack

第三人称单数：

动词第三人称单数: backpacks

更多词形：

名词: backpacker | 动词过去式: backpacked | 动词过去分词: backpacked | 动词现在分词: backpacking | 动词第三人称单数: backpacks |

单词例句：

He painted them red and glued them onto the backpack.

他把它们漆成红色，把它们粘在背包上。

Backpack zipper whether directly affected by force?

背包的拉链是否会直接受力？

My backpack is thin, but theirs are heavy.

我的背包是轻的，但他们的是重的。

The smooth fit of this backpack will surprise you.

此款舒适平整的双肩背包将使你欣喜若狂.

He puts his pen, ruler and eraser into his backpack.

他把他的钢笔、尺子和橡皮擦装进书包里。

A large green backpack with an aluminum frame.

一个大的有铝架的绿色背袋。

That's a super backpack, And I love this tie.

那是个极好的背包，我喜欢这条领带。

The traditional backpack with a difference,it's waterproof.

这个跟传统背包不同，可以防水。

I will take my backpack, too.

我也会带着我的背包。