Changed: Nail gun sync and volume tweak.

改变：钉枪同步和音量调节。

youdao

I learned something: a pneumatic nail gun does not a carpenter make.

通过此事，我认识到：气钉枪不如一个木匠。

youdao

Ever wanted to shoot things with a nail gun? Well, here's your chance!

曾经想用射钉枪射击的事？嗯，下面是你的机会！

youdao

Would you try to build a house with a hammer when you have a nail gun?

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