Backstairs
n. 后面楼梯, 密谋(手段)\\na. 诡秘的, 秘密的
✅ 同义词
🗣️ 情景例句
I don't know how to thank you enought.
我不知道应该如何感谢你。
Perseverance is vital to success.
不屈不挠是成功之本。
He struck his attacker on the ear.
他打了那个攻击者一耳光。