Std.
[医] 皮肤试验剂量
🗣️ 情景例句
Good night, Son.
晚安， 儿子。
He is playing on the slide over there.
他正在那边溜滑梯。
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。