acetal什么意思？

acetal的音标：acetal的英式发音音标为：['æsɪtæl]acetal的美式发音音标为：['æsəˌtæl]...

Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.以非质子...

The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride...

“黄铅矾”的英语可以翻译为：[化] lanarkite ...

Aim : To synthesize carboxylate derivatives of caged bicyclic phosphate.目的: 合成笼状双环磷酸酯的羧酸酯衍生物....

n.键区( keypad的名词复数 )...

新近发生的事情使得他的中心主题显得更加有的放矢。Recent events have made his central theme even more apposite.有报告说，新近有军队越过边境。There are reports of fresh troop movements across the border.布鲁斯·里奥克的勃勃雄心是他们新近成功的主要原因。Bruce Rioch's driving ambitio...

“氯唑”的英语可以翻译为：[医] chlorazol ...

glasshouses的音标：...

chinoform的音标：chinoform的英式发音音标为：['tʃɪnəfɔ:m]chinoform的美式发音音标为：['tʃɪnəfɔm]...

I will asseverate my conviction that she is guilty.我坚持有罪判决,因为她是有罪的....

吃过晚饭，尼娜和玛丽在厨房里收拾。Nina and Mary were in the kitchen, cleaning up after dinner.他得为尼娜付一大笔私立学校的学费。He will have to fork out for private school fees for Nina.尼娜无法将她的视线从菲利普身上移开。Nina couldn't take her eyes off Philip....

obviate的一般过去时为：obviated...

血沉淀素...

the Greek philosopher Aristotle希腊哲学家亚里士多德He is a teacher by occupation but a philosopher by inclination.他的职业是教师,但他的本心是成为哲学家.The philosopher speculated about the future of the human race.那位哲学家考虑过人类的前途....

customs duty的音标：customs duty的英式发音音标为：['kʌstəmz 'dju:ti]customs duty的美式发音音标为：['kʌstəmz 'duti]...

prosperous的近义词/同义词有：well-off, thriving, comfortable, successful, wealthy, triumphant, affluent, flourishing, rich, fortunate, opulent, successful, opulent, well-off, affluent, flourishing, favored, rich, triumphant, comf...

“不完美”的英语可以翻译为：defective，imperfect...