catalyst的复数形式怎么写

Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...

n.触媒，催化剂，〈比喻〉触发因素，促进因素，〈口〉有感染力的人...

I see my role as being a catalyst for change.我认为我的角色是促成变革。A catalyst is a substance which speeds up a chemical reaction.催化剂是一种能加速化学反应的物质.It acts as a catalyst in the process of fermentation.它在发酵过程中起触媒的作用....

catalyst的音标：catalyst的英式发音音标为：['kætəlɪst]catalyst的美式发音音标为：['kætlɪst]...

toddles的音标：...

n.周长，（马等的）肚带，腰身v.以带束缚，围绕，包围，围长为...

“任职”的拼音为：rèn zhí...

“鳃状的”的英语可以翻译为：anchial ...

They could quarrel quite legitimately with some of my choices.他们大有理由不同意我的一些选择。It could have happened during a quarrel between them over Naomi.这件事可能是在他们为娜奥米争吵的过程中发生的。The quarrel between the Serbs and the Croats is old and...

Third-placed Barnet were humbled 3-0 at Crewe.排名第三的巴尼特队以0–3的比分在克鲁遭遇惨败。I came away very humbled and recognizing that I, for one, am not well-informed.我离开时感到十分惭愧，意识到自己至少可说是见识短浅。Honda won fame in the 1980s as the little car...

graduator的音标：graduator的英式发音音标为：['grædjʊeɪtə]graduator的美式发音音标为：['grædʒʊˌeɪtə]...

He be arraign for high treason.他被控叛国罪....

切开之后, 断面上还会有红色的丝状物.After incision, on the cross section also can have redfiliform.花冠筒内丝状物为退化雄蕊的短花丝.The thread in the corolla is the short filament of a degenerated stamen....

“石质土”的拼音为：shí zhì tǔ...

“螨学”的英语可以翻译为：[医] acapology ...

For more detailed information on induced polarization, review papers by Madden.关于诱发极化法的更详细的资料, 可参阅马登的述评文章.Anomalies due to polarization can be so much larger than those resulting from topography.极化产生的异常会远远大于地形引起的异常.The w...

n.社会向善论...

“鼓虫科”的英语可以翻译为：Gyrinidae ...

n.显示屏; 显示屏幕...