同根派生 cardinal vein相關(guān)詞英漢例句Persistent left posterior cardinal vein 左后主靜脈續(xù)存There is a vein of melancholy in his character. 他的性格中有少許憂郁的氣質(zhì)。North, south, east, and west are the four cardinal points of the compass. 東、西、南、北是羅盤上的四個(gè)方位基點(diǎn)。She is wearing a cardinal sweater today. 今天她穿了件鮮紅的毛衣。She helps her mother when she is in the vein. 她在心情好的時(shí)候會(huì)幫她媽媽的忙。cardinal vein更多例句