hydrogenate的第三人称单数怎么拼写？

Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上....

hydrogenate的一般过去时为：hydrogenated...

hydrogenate的音标：hydrogenate的英式发音音标为：['haɪdrədʒəneɪt]hydrogenate的美式发音音标为：['haɪdrədʒənˌeɪt]...

v.使与氢化合，使氢化...

hydrogenate的现在进行时为：hydrogenating...

hydrogenate的现在完成时为：hydrogenated...

besprent的音标：besprent的英式发音音标为：[bɪsp'rent]besprent的美式发音音标为：[bɪsp'rent]...

“惯例”的英语可以翻译为：convention，usual practice，customary rule，customs and usages，consuetude ...

“恐高症”的拼音为：kǒng gāo zhèng...

caver的复数形式为：cavers...

“岗哨”的英语可以翻译为：lookout post，sentry ...

As soon as they landed , they made straight for the enemy gun emplacements.他们一登陆就向敌人的火炮阵地猛扑过去....

[化] 反同形性，反同构性...

“教区”的拼音为：jiào qū...

master的现在完成时为：mastered...

然后我们将会使用一硬 式 -使,锐利油漆开始的下降形状的黑色电刷.Then we will use a hard - edged, black brush to paint an initial drop shape....

pod的音标：pod的英式发音音标为：[pɒd]pod的美式发音音标为：[pɑd]...

“反叛”的反义词：归顺。...

“兆乏计”的英语可以翻译为：megavarmeter ...

警察局速记员逐字记下了那个人的供词.The police stenographer recorded the man's confession word by word.法庭速记员记录下了审判进程.The court stenographer registered the trial proceedings.速记员可能是旅馆的职工,也可能是某一受让人的雇员.The stenographer may be either a ho...