Periplasmic
[医]周质的, 胞质的
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
We'd better not go out tomorrow, son.
孩子，我们明天最好不要出去。
No. I've never been to that farm before. What kinds of animals have they got?
不，我以前从来没有去过那个农场。他们有哪些种类的动物？