Contractable
a. 可感染的（疾病）
✅ 同义词
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Short accounts make long friends.
帐算清，交情深。
Ducks know how to swim when they are born.
鸭子天生会游泳