| 正面 | 7084.extinction 英 [ɪk'stɪŋ(k)ʃ(ə)n; ek-]美 [ɪk'stɪŋkʃən]     |
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| 背面 |      释义： 1. 把刺全拔光了.2. 构词原理与 expunge 差不多。n. 消失；消灭；废止 例句： 1. 30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。 extinction (n.)early 15c., "annihilation," from Latin extinctionem/exstinctionem (nominative extinctio/exstinctio) "extinction, annihilation," noun of action from past participle stem of extinguere/exstinguere "quench, wipe out" (see extinguish). Originally of fires, lights; figurative use, the wiping out of a material thing (a debt, a person, a family, etc.) from early 17c.; of species by 1784." |