Membranogen
膜素
🗣️ 情景例句
there's a lot to do around the house,
这屋里有很多事可做，
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
I'm sorry, I can't. Is it under the teacher's desk?
对不起，我没见过，是不是在老师的讲桌底下？