cross-vein

基本解釋

This is the third genus with occipital carina and the fifth one with basal cua cross vein within Argidae.
此屬是三節(jié)葉蜂科內(nèi)第3個(gè)具有後頰脊和第5個(gè)在後翅M＋Cu1和1A脈之間基部具cu－a1橫脈的屬。
There is a vein of melancholy in his character.
他的性格中有少許憂鬱的氣質(zhì)。
It is rash to cross the street without looking both ways.
不朝兩邊看看就穿馬路是莽撞的。
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。
Cross and angry words in family grate upon the ear.
不高興與生氣的話在一個(gè)家庭裡令人不愉快。