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词汇
useful life
释义
useful life有效期限,使用寿命。useful: adj. 1.有用的,有益的,有效的,有帮助的。 2.〔 ...life: n. (pl. lives) 1.生命,性命。 2.一生 ...
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unplaced
unplanned
unplayable
unpleasant
unpleasantness
unpleasing
unplug
unplumbed
unpolished
unpolitical
unpolled
unpopular
unpopularity
unposted
unpractical
unpractised
unprecedented
unpredictable
unprejudiced
unpremeditated
unprepared
unprepossessing
unpresentable
unpretending
unprincipled
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更新时间:2026/5/13 11:46:00