詞組短語短語BLACK TURNIP MOTH 黑紋夜蛾turnip moth更多詞組英英字典柯林斯英英字典 a common noctuid moth, Agrotis segetum, drab grey-brown in colour, the larvae of which feed on root crops and brassica stems turnip moth劍橋字典turnip moth柯林斯字典