Flaginac reaction
[医] 大肠杆菌生化反应
🧩 词语组成解析
🗣️ 情景例句
Half that time in my own construction company.
一半时间是在我自己的建筑公司。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。