Hdl
[化] 高密度脂蛋白
🗣️ 情景例句
Please don't worry.
请别担心。
I said, Do you want me to help you?
我是说:你要我帮忙吗？"
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。