helix的复数形式怎么写？

Coil the fibre into a helix.将纤维卷绕成螺旋形。Normal, double - helix DNA is spiral, like a loosely coiled spring.正常的双螺旋DNA是螺旋形的, 像一根松松地卷曲的弹簧.The helix makes a complete turn every 3.6 residues.每个3.6个残基,螺旋正好转一圈....

Purpose To recognize the value of double helix CT in diagnosis of Chronic otitis mastoidea.目的:确定慢性化脓性中耳乳突炎的双螺旋CT扫描诊断价值.In order to represent Archimedes helix with control polygon, we construct Bernstein - like basis.为了用控...

n.螺旋结构...

helix的音标：helix的英式发音音标为：['hi:lɪks]helix的美式发音音标为：['hilɪks]...

Fringillidae的音标：...

The potential of hydroelectricity of one region varies from that of another.水电的潜力因地而异.SHEN Zu - yi . Hydro Turbine Regulation. Beijing: Hydraulic and Hydroelectricity Press, 1998.沈祖诒. 水轮机调节. 北京: 水利水电出版社, 1998.Toppling - ...

The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.Eight acetals ( Ketals ) were synthesized under the optimal conditions.在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.The yields ...

a paper cone full of popcorn装满爆玉米花的锥形纸筒I like to eat popcorn when I am watching TV play at home.当我在家观看电视剧时,喜欢吃爆米花.He still stood behind his cash register stuffing his mouth with popcorn.他仍站在收银机后，嘴里塞满了爆米花。...

...a sliced white loaf.一条切成片的白面包Mark the loaf with the prongs of a fork in a criss-cross pattern.用叉子尖在面包上划十字图案作标记...a loaf of bread...一条面包The cost of a loaf of bread has increased five-fold.一条面包的价钱增长了4倍。He uses his loaf ...

devote的第三人称单数（三单）为：devotes...

stools的音标：...

go by的音标：go by的英式发音音标为：[ɡəu bai]go by的美式发音音标为：[ɡo baɪ]...

chlorphenyl的音标：chlorphenyl的英式发音音标为：[k'lɔ:fənɪl]chlorphenyl的美式发音音标为：[k'lɔfənɪl]...

cherish的一般过去时为：cherished...

Asmus became friendly with a number of writers and appeared in print as a literary critic.阿斯穆斯和许多作家成为了好友，而且还作为一名文学评论家出现在报纸上。...

n.整数...

“原野”的近义词/同义词：田野, 旷野, 郊野, 野外, 郊外, 田地, 田园。...

brill的复数形式为：brills...

“内联网”的英语可以翻译为：intranet （又称内连网、企业网） ...