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[化] 反馈键
🧩 词语组成解析
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[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;
n. 结合, 屏蔽接地, 搭接\\n[计] 压焊
🗣️ 情景例句
Tech stocks are hot property.
科技股如今是抢手货。
Doctors and lawyers are professional people.
医生和律师是专业人员。
(Looking at the other woman) I'm sorry, but I don't think I know you.
（瞅着玛蒂尔德）很抱歉，我想我不认识你呀。