Microstomum
微口涡虫属
🗣️ 情景例句
Yes? May I help you?
什么事？我能为您效劳吗？
I'll call the roll before class.
课前我要点名。
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。