You've done your buttons up the wrong way.

你把扣子扣错了。

You've fastened your buttons up the wrong way.

你的扣子扣错了。

This coat buttons, but that one zips.

这件上衣用钮扣, 那件用拉链。

Buttons are sometimes made of bone.

纽扣有时是用骨头做的。

To record, press these two buttons together; then rewind, and then press the red button to play back.

要录音就得一起按下这两个键, 而后倒回, 按下这个红键播放。

The buttons came unfastened.

扣子松开了。

His buttons were undone.

他的钮扣被解开了。

The rubber product:rubber footmat,rubber buttons,shockproof mat,rubber washer,rubber accessories,silicone rubber glue,airproof mat,glue stick,electric glue,gramary glue,powerful glue(double cover).

主要的橡胶产品有：魔术帖、硅胶帖、导电胶、强力双面胶、胶棍、脚垫、母扣、密封圈、垫圈及防震胶圈、橡胶杂件等。

Actually, typing on Mini 1000's will be a little bit better than NC10, but do you find there are indepently existing "PgUp" and "PgDn" buttons here?

论手感，老实说还是按键略大的Mini1000较好。但是，你见到右下角那两颗独立存在着的"PgUp"和"PgDn"吗？

The main production and distribution in company contain polyester buttons , corozo buttons, metal buttons ,ABS plating buttons ,imitation leather buttons and top grade decorative buttons etc .

公司主要生产销售树脂纽扣、天然果实扣、金属扣、ABS电镀扣、仿皮扣、高档装饰扣等服装辅料。

The prontpage interface of Web courseware includes glassiness buttons of course learning, course project, Web test and review, duologue between teacher and student, and user registration etc.

课程学习、课程大纲、网上测评、师生交流、用户注册等玻璃质感按钮。