Pentethide
五乙基化物
🗣️ 情景例句
You go first.
你先来。
Love and cough cannot be hid.
爱情和咳嗽是不能掩饰的。
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。