| 单词 | devonian |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Devonian〕Devonian rocks 泥盆纪岩石剑桥高阶〔Devonian〕The Devonian Period or its system of deposits.泥盆纪（系）或泥盆纪（系）的沉积矿系体系美国传统〔vanish〕Near the end of Devonian times, thirty percent of all animal life vanished.在泥盆纪末期，30％的动物物种都灭绝了。柯林斯高阶 |
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