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[化] 反馈作用
🧩 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;
🗣️ 情景例句
I'm inclined to think independently.
我喜欢独立思考问题。
Today is Monday.
今天星期一。
They had become the victims of commercialization, for their names had acquired a market value.
他们成了商业化的受害者，因为他们的名字具有了市场价值。