充气不足的轮胎更容易爆胎，这会导致非常糟糕的事情。

Under-inflated tires are more likely to cause a blowout, which can result in very bad things.

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充气不足时，可将救生衣上部人工充气管拉出，用嘴向里充气。

If your life vest is not inflated enough, you can also inflate it by blowing into the mouth pieces.

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充气不足时，可将救生衣上部的两个人工充气管拉出，用嘴向里充气。

If your vest is not inflated enough, you can inflate it by blowing into the mouth pieces.

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