“回纹针”造句

回纹针既小又简单, 但是他们用起来很棒.
Paper clips are small and simple, but they are very useful.

回纹针发明于1900年.
The paper clip was invented in 1900.

请用回纹针把这些纸张别在一起.
We are enclosing here an inquiry sheet.

• #回纹针