Fige
[医]倒转电场凝胶电泳
🗣️ 情景例句
Can you finish the work by five o'clock tomorrow?
你能在明天五点钟之前做完这项工作吗？
I can't help it, sir.
我也无能为力，先生。
What's the weather going to be like at the weekend?
周末的天气怎样？