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[化] 反馈键
🧩 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;
v. （尤指向慈善机构）捐赠( donate的现在分词 ); 献（血）; 捐（血）; 捐献（器官）
n. 结合, 屏蔽接地, 搭接\\n[计] 压焊
🗣️ 情景例句
It's just so lovely.
它是那么可爱。
I can't believe his story.
我无法相信他的说法。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。