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-]...

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...

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...

These days the shopper has the whip hand, and will not buy if stores fail to lower their prices.如今购物者占主导地位，如果商店不降价，他们是不会买的。Hong Kong is a shopper's paradise.香港是购物者的天堂.what the average shopper’s trolley contains每个购物者...

大黄药...

人们把火山灰与石灰的混合物加到集料中.This mixture of pozzolana and lime was then added to an aggregate.提出并验证了四种具有实用价值的集料级配组成.The paper has put forward and testified four utilizable aggregate gradation.碱是混凝土发生碱 - 集料 ( AAR ) 反应的重要因素之一.Alkal...

adj.无意义的，不得要领的，钝的，无谓...

Keep the rough edge of the fabric aligned with the raw edge of the piping.将织物的毛边与滚边未经加工的边对齐。The captain aligned the periscope on the bearing.船长使潜望镜对准方位。The spirally coiled central filament of a chromatid along which the ...

The family dwelt at Bath after the London season was over.伦敦戏剧节过后,这一家人就住在巴斯.They still dwelt in their old abode.他们仍然怀念过去的住所.His mind dwelt on the sad events.他老想着那些悲惨的事....

cater的现在进行时为：catering...

When they found us guilty, I just went blank.当他们判定我们有罪时，我的脑子顿时一片空白。They drew a blank in their search for the driver.他们四处寻找那个司机，但一无所获。Fill in each blank with the adjective or the adverb given in its proper degree.用所给形容词或副...

reconcile的一般过去时为：reconciled...

We met in Dorchester, Dorset's bustling county town.我们在多塞特熙熙攘攘的郡首府多切斯特相遇。The Dorchester Hotel is the epitome of luxury in the heart of London.多切斯特酒店是伦敦市中心豪华奢侈的缩影。Chelsea Reserves go to Dorchester Town and win 4 - 0 ...

v.看，注视( behold的第三人称单数 )，瞧，看呀，（叙述中用于引出某人意外的出现）哎哟...

“玩物”的近义词/同义词：玩具。...

She was the only British competitor apart from Richard Meade.她是除了理查德·米德之外唯一的英国参赛者。" I think what Dr. Meade wrote about was right, Captain Butler." 我认为米德大夫写的有关你的那些话都是对的, 巴特勒船长.'sh - sh ,'said Scarlett. " Dr. Mea...

There were to be no tariffs or taxes on interstate commerce.对各州之间的贸易不得课取关税或捐税.The business is no longer regarded as a citadel of commerce.该行业不再被视为贸易的堡垒。Region economy and commerce collectivize are one of fundamental tren...

conjure的音标：conjure的英式发音音标为：['kʌndʒə(r)]conjure的美式发音音标为：['kɑndʒɚ, kən'dʒʊr]...