另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.The other two, thymine and cytosine, are single ring structures called pyrimidines.蕨类植物和针叶树的木质部仅含有管胞.The xylem of ferns and conifers contains only tracheids.胞质流还仅仅是一种解释真菌中转移的假说.Streaming is still...
He and Carla Torgerson take turns as the band's lead vocalist.他和卡拉·托格森轮流担当乐队的主唱。The pianist had to tailor his style to suit the vocalist's distinctive voice.钢琴手不得不改变风格以配合歌手独特的嗓音.If I was auditioning for a vocal...
谷仓里弥漫着新粪酸甜的气味。The barn was filled with the sour-sweet smell of fresh dung.昆虫很讨厌皮肤内维生素的气味。The odour of vitamin in skin is repugnant to insects.有潮湿的木料和机油的气味。There was a smell of damp wood and machine oil....
他能听见她的狗在暗处吠叫、哀嚎。He could hear her dog barking and whining in the background.母亲拉住了那几只吠叫的狗的项圈。Mother took hold of the barking dogs by their collars.那只狗碰到任何人都要吠叫.That dog will pick a quarrel with anyone he meets....