Backrest
n. 靠背
✅ 同义词
📖 牛津释义
backrest
n support for the back1(2a) 靠背.
🗣️ 情景例句
Who is it?
谁呀
He brushes his teeth.
他在刷牙。
I'm sorry, sir.That clock's ten minutes slow.
对不起，先生，那个钟慢了10分钟。