Std.
[医] 皮肤试验剂量
🗣️ 情景例句
Could you please give me a receipt?
给我一张发票。
No man is content.
人心是不满足的。
I'll keep the box in the shade so that the sun doesn't burn the little plants.
我将把盒子放在阴凉的地方，这样太阳就不会把幼苗晒枯。