Gradocol menibranes
[医] 超滤膜(应用在超滤法中的一种薄膜)
🗣️ 情景例句
Good luck.
祝你好运。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
I am one of the few people left.
我是少数留下来的人中的一个。