Backrest
n. 靠背
✅ 同义词
📖 牛津释义
backrest
n support for the back1(2a) 靠背.
🗣️ 情景例句
my brother Robbie,
我弟弟Robbie
He said he would rather not tell his age.
他说他不愿告诉年龄。
I beg your pardon?
请您再说一遍（我没有听清）。