Hdl
[化] 高密度脂蛋白
🗣️ 情景例句
then you've got to smile first.
你就得先笑一笑。
Measures should be taken to reinforce the cartons.
应采取措施加固纸箱。
I turned on the radio. She stopped crying and listened to the music.
我打开收音机，她不哭了，听音乐。