Flaginac reaction
[医] 大肠杆菌生化反应
🧩 词语组成解析
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
Do you know any of those people?
你认识那些人吗？
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？