Proteidin
[医] 蛋白溶菌素
🗣️ 情景例句
What's your opinion about this?
你的观点是什么？
All things are difficult before they are easy.
凡事都是先难后易。
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界，英语广泛应用于国与国之间的贸易往来。