Hdl
[化] 高密度脂蛋白
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
Bite off more than one can chew.
贪多咽不下。
There is a table in the room.
客厅里有张桌子。