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n. 直肠
🧩 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
Radio says sunny and mild.
广播说是晴天 温暖适中。
He who does not honour his wife, dishonours himself.
人不贵妻，自我丢脸。
Not to grasp firmly is not to grasp at all.
抓而不紧等于不抓。