ventral spine 中文意思是什麼
ventral spine
解釋
腹刺-
How to distinguish male and female cockroaches : male cockroach is relatively thinner but longer, with a ventral spine and fully developed wings reaching the rear ; female has shorter wings and no ventral spine
蟑螂雌雄的區分:雄蟲體形比較瘦小,細長,翅發達至尾端,具有腹刺;雌蟲翅較短,無腹刺。
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