Back-rest
靠背架；固定中心架
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
rest
[rɛst]
n. 休息;剩余部分;支持物;宁静，安宁;
vt.& vi. （使）休息;（使）倚靠[支撑];
vi. 休息;静止;停止;安心;
vt. 使休息;使轻松;使长眠;使依赖;
🗣️ 情景例句
No. Will you also initial this change on page 2, please?
不，请你也在第二页变更处签姓名的一个字母好吗？
It's incredible.
难以置信！
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。