1、If your life vest is not inflated enough, you can also inflate it by blowing into the mouth pieces.
充氣不足時，可將救生衣上部人工充氣管拉出，用嘴向里充氣。

2、Under its seats, there is a life vest for emergencies.
在每一個座位下面，都有一件救生衣以備緊急情況。

3、Take out the life vest from under your seat and put it on!
從座椅下面拿出救生衣，穿上它!

4、There is a life vest under your seat for water emergencies
您的座位下有一件救生衣，在發(fā)生水上緊急情況時使用。

5、Your life vest is located under your seat.
救生衣在您的座椅下面。

6、Take out the life vest under your seat and put it on!
從座椅下拿出救生衣，穿上它！

7、Your life vest is under your seat.
救生衣在您的座位下面。

life vest翻譯