“叶脉”怎么读

杂草中危害通常仅限于叶脉间的条状区域.On grasses, injury is usually confined to areas between the veins.叶脉有两种:平行脉和网状脉.There are two kinds of venation , parallel and net.叶脉中木质部比重越大,越有利于水分的传输.Large proportion of xylem benefit to the water tr...

“叶脉”的英语可以翻译为：[植] leaf vein，vein，nervation，nerve，nervure ...

v.保证（做某事、遵守协议或遵从安排等）( commit的现在分词 )，把…托付给，把…记（或写）下来，承诺...

然而使用核分裂抑制物的实验是非常难以控制的.Experiments with mitotic inhibitors, are however, notoriously difficult to control.铯-137是一种放射性同位素, 主要由核分裂产生.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.例如胞质环流, 核分裂时...

adj.不坚固的，不一贯的，摇晃的，无常的...

kind的比较级为：kinder...

fortieths的音标：...

certitude的复数形式为：certitudes...

acetylsulfadiazine的音标：acetylsulfadiazine的英式发音音标为：[æsɪtɪlsʌlfeɪ'dɪætsɪn]acetylsulfadiazine的美式发音音标为：[æsɪtɪlsʌlfeɪ'dɪætsɪn]...

我晒黑的肤色逐渐变浅了.My tan's beginning to fade.在反向点以上,井孔内的温度将随着深度的变浅而下降.Above the inversion point the temperature in the bore hole decreases as the depth decreases.漂色: 一种去掉头发色素的使头发颜色变浅的准备工作.Bleach: A preparation which light...

document的音标：document的英式发音音标为：['dɒkjumənt]document的美式发音音标为：['dɑkjumənt]...

n.比赛用的马...

adj.徐缓的，柔和的...

fives的音标：fives的英式发音音标为：[faɪvz]fives的美式发音音标为：[]...

The integrand is not handed down from on high.被积函数并不是从天上掉下来的....

Infringement of the regulation is punishable by a fine.违反规则应处以罚款。They see it as an infringement on their own freedom of action.他们把它视为对他们行动自由的侵犯。It sued Centrocorp for patent infringement.它诉Centrocorp公司侵犯专利权。...

v.消除恐惧或疑虑，恢复信心( reassure的第三人称单数 )...