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(back-ground 的复数) 背景
🧩 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. 场地, 庭院, 理由, 渣滓, 沉淀物
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
But, at the same time, they wish he weren't going so far away.
但同时，他们希望他不要离得这么远。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，