Formjel
煤油混制地层堵塞剂
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
No, thank you.
不，谢谢您。
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得（等会儿）再给你回电话，因为我要先看看我的日记，而我没有把它带在身边。