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柯林斯星级

牛津核心词汇

BNC频率: 105

现代语料频率: 108

中考英语高考英语雅思

a. 后面的

vt. 使后退, 支持

vi. 倒退, 背靠

adv. 向后地

n. 背部, 后面

er-), usually giving an intensive force, and sometimes the sense of away, on, back, as in arise, abide, ago

n a disavowal or taking back of a previous assertion

a musical part (vocal or instrumental) that supports or provides background for other musical parts

a musical part (vocal or instrumental) that supports or provides background for other musical parts n

Set or turned back to back.

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