Hygienics
n. 卫生学\\n[医] 卫生学
✅ 同义词
🗣️ 情景例句
My girlfriend recently broke my heart.
我的女朋友最近伤了我的心。
The path of duty is the path of safety.
尽职的路是安全的路。
What colour is it?
是什么颜色的？