Backstairs
n. 后面楼梯, 密谋(手段)\\na. 诡秘的, 秘密的
✅ 同义词
🗣️ 情景例句
That's fair enough.
这倒很公平。
He can't dress himself yet because he's too young.
他还不能给他自己穿衣服因为他是太年轻的。
How much does it cost to go abroad?
出国要多少钱？