stepwise
adj. 逐步的,逐渐的;(按音阶)级进的; adv. 逐步地;阶梯式地
adj.楼梯式的,逐步的
chestnutting collaborationism lensman metallurgist squassation trimestrial下载迅蛙App
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adj. 逐步的,逐渐的;(按音阶)级进的; adv. 逐步地;阶梯式地
adj.楼梯式的,逐步的
chestnutting collaborationism lensman metallurgist squassation trimestrial