Teeterboard
n. 跷跷板
✅ 同义词
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
We can't decide when to leave.
我们不能决定什么时候离开。
Only five years?
仅仅5 年？