life vest造句

There's life vest under your seat for water emergencies.
您的座下有一件救生衣在发生水上紧急情况时用.

There's a life vest under your seat for water emergencies.
你的座下有一件救生衣,发生水上紧急情况时候用.

There is a life vest under your seat for water emergencies.
您的座位下有一件救生衣,在发生水上紧急情况时使用.