obsolescevi.
英 ,ɒbsə'les | 美 ,ɑbsə'lɛs
中文vi. 成为废物；成为过时
词根词源
obsolesce (v.)1801, from Latin obsolescere "to grow old, wear out, lose value, become obsolete," inchoative of obsolere "fall into disuse" (see obsolete). Related: Obsolesced; obsolescing.
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