hydrogenate的现在完成时怎么拼写？

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]...

hydrogenate的现在进行时为：hydrogenating...

hydrogenate的第三人称单数（三单）为：hydrogenates...

v.使与氢化合，使氢化...

藏身，躲避，隐蔽...

conscious的音标：conscious的英式发音音标为：['kɒnʃəs]conscious的美式发音音标为：['kɑnʃəs]...

Artocarpus的音标：...

vital的近义词/同义词有：necessary, needed, fundamental, essential, important, required, animate, alive, living, burning, basic, indispensable, required, living, essential, healthy, significant, needed, urgent, necessary, animate,...

n.出口...

有人在湖上游泳和扬帆。There was swimming and sailing down on the lake.你看一眼就能知道什么叫湖。If you look, you'll see what was a lake.洞口大半都淹没在湖里。Most of the mouth of the cave was submerged in the lake....

gratify的一般过去时为：gratified...

“源”的英语可以翻译为：source ，fountainhead，cause，fountain ...

右旋异构体...

n.铃的响声，丁丁声v.（使）发丁丁声...

budget的音标：budget的英式发音音标为：['bʌdʒɪt]budget的美式发音音标为：['bʌdʒɪt]...

皮霉菌病...

“无用”的反义词：有用。...

antiseptic的音标：antiseptic的英式发音音标为：[ˌænti'septɪk]antiseptic的美式发音音标为：[ˌæntɪ'sɛptɪk]...

as regards的音标：as regards的英式发音音标为：[æz rɪ'gɑ:dz]as regards的美式发音音标为：[æz rɪ'ɡɑrdz]...