今天来看看@TING-HYF 提的话题：天冷了注意事项 temperature dropped 降温了 Whoa! The temperature dropped a lot overnight. It's freezing outside! 哇！昨天夜里气温骤降。外面超级冷！ bundle up 多穿点 We better bundle up for your walk to class. Let me dig up our hats and scarves. 你上课路上最好多穿点。等我把咱们的帽子和围巾找出来。 long underwear 秋裤