Hdl
[化] 高密度脂蛋白
🗣️ 情景例句
I'm really sorry to hear about that.
听到这个消息真让我感到难过。
I'm always confused with s and th.
我常把s和th搞混。
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。