横神经通往同体节的气门.The transverse nerves pass to the spiracles of their segment.腹面昆虫的腹部体节.The abdominal segment of an insect.脊椎动物的脊柱来源于体节,体节是胚胎发生过程中的过渡性结构.The vertebral column is derived from somites, which are mesoderm that ar...
高聚物都是由共价链联接原子而形成的长链分子所组成.Polymers consist of long molecular chains of covalently bonded atoms.同函奉上10箱货物共价5000美元的发票一张.Enclosed we hand you an invoice, $ 5 , 000, for 10 cases goods.另外蛋白质的共价修饰可对某些蛋白质的运动产生影响.Additionally, c...
Goodbye! Bon voyage!再见！一路顺风！A Western European summit was held in Bon|n.在波恩举行了西欧各国首脑会议。Michael turned to him and said gently, " I'm just the errand boy for the Bon, Freddie.迈克尔回头面对着他,柔和他说: “ 弗烈特, 我仅仅是替老头子跑腿的差使娃....