helical什么意思解释

helical的音标：helical的英式发音音标为：['helɪkl]helical的美式发音音标为：['hɛlɪkəl, 'hilɪ-]...

The polynucleotide chain is helical.多核苷酸键是螺旋形的.In a globular protein, certain portions of the chain are coiled into helical segments.在球状蛋白中, 链的某些部分被盘成螺旋状.Two types of viral symmetry have been recognized, the cubical symm...

Two types of viral symmetry have been recognized, the cubical symmetry and helical symmetry.已经证实病毒有两种对称型, 即立体对称和螺旋对称.The polynucleotide chain is helical.多核苷酸键是螺旋形的.The high laevorotation of L - cystine depends on a speci...

This creates a bottleneck at city hospitals, while smaller hospitals remain underutilized.这令城市医院拥挤不堪,另一面, 小医院也得不到发展.He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活，直到生产遭遇瓶颈。Protein crysta...

There was not much elbow room in the cockpit of a Snipe.“沙锥鸟”战斗机的驾驶舱空间不太宽敞。He was ordered to snipe at anyone moving about the camp.他奉令狙击任何在营地附近走动的人.I started some half - dozen snipe.我惊起了五六只山鹬....

n.碳化物，硬质合金...

机助人译...

vi.度假，休假（holiday的过去式与过去分词形式）...

banning的音标：...

n.封建制度( feudality的名词复数 )，封建主义，封建领地，采邑...

“运流”的拼音为：yùn liú...

chromometer的音标：chromometer的英式发音音标为：[krə'mɒmɪtə]chromometer的美式发音音标为：[krə'mɒmɪtə]...

余怛怛而瞿瞿兮即遁避以奋翮 ﹒.I am so grievous and awed , ho , and escape by the strong wings of the phoenix.在这一阶段,有一簇羽枝会与中空圆柱融合在一起, 形成翮(即羽根).This stage produced a tuft of barbs fused to the hollow cylinder, or calamus....

He is moving ever closer to drawing his pension.他就要领取养老金了。And all the time next spring's elections are drawing closer.明年春天的选举即将来临。He edged closer to the telephone, ready to grab it.他慢慢挪向电话机，准备抓起听筒。...

许多真菌可以无性繁殖。Many fungi can reproduce asexually.足癣是一种真菌感染。Athlete's foot is a fungal infection.蕨类植物、苔藓和真菌通过孢子传播蔓生。Ferns, mosses and fungi spread by means of spores....

account for的音标：account for的英式发音音标为：[ə'kaunt fɔ:]account for的美式发音音标为：[ə'kaʊnt fɔr]...

“采访”的拼音为：cǎi fǎng...

Antonio has a contagious enthusiasm for the beautiful aspect of food.安东尼奥对食品赏心悦目这一方面的热情非常有感染性。The snowy street, like the church, assumed a dumb, lifeless aspect.积雪覆盖的街道就像教堂一样，显得沉闷、毫无生气。They were royally received in every...