Put the bottle in a plastic bag in case of spillage.
把瓶子裝在塑料袋里，以免灑得到處都是。
How should I know where you've left your bag?
我怎么知道你把包丟在哪兒了？
Take this bag, and leave everything else to me.
把這個包拿走，其他所有東西都給我留下。
Could you watch my bags for me while I buy a paper?
我去買份報紙，你能替我照看一下我的包嗎？
Let me give you a hand with those bags.
我來幫你拎那些包吧。
Turn the bag inside out and let it dry.
把包翻過來晾干。
This bag was left behind after the class.
這個書包是有人下課后落下的。