methylpyridine什么意思？

methylpyridine的音标：methylpyridine的英式发音音标为：[meθɪlpɪ'raɪdaɪn]methylpyridine的美式发音音标为：[meθɪlpɪ'raɪdaɪn]...

The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied.研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件....

n.大臣( minister的名词复数 )，部长，公使，牧师...

adj.不和谐的，刺耳的，不调和的，自相矛盾的...

adj.令人振奋的，鼓舞人的v.鼓励，使振作( hearten的现在分词 )...

forefather的音标：forefather的英式发音音标为：['fɔ:fɑ:ðə(r)]forefather的美式发音音标为：['fɔrfɑðə(r)]...

kilter的音标：kilter的英式发音音标为：['kɪltə(r)]kilter的美式发音音标为：['kɪltɚ]...

macrodisequilibrium的音标：macrodisequilibrium的英式发音音标为：[mækrə'dɪsi:kwɪ'lɪbrɪəm]macrodisequilibrium的美式发音音标为：[mækrə'dɪsikwɪ'lɪbrɪrm]...

Menstruation may cease when a woman is anywhere between forty-five and fifty years of age.女性停经是在45至50岁期间。Women enjoy special protection during menstruation, pregnancy , child birth and baby nursing period.妇女在经期 、 孕期 、 产期...

罗兰? 巴特:《神话学》. 纽约: 希尔和王出版社, 1972年版.Barthes , Roland. Mythologies. New York: Hill and Wang, 1972.我相信你是考古学和神话学的权威.I believe you are quite an authority on things ancient and mythological.托尔金不认为他是在创造神话世界, 而是英国的古代神话学.In Tolkie...

After five minutes of deliberation, he was found guilty of murdering the president.经过5分钟的仔细斟酌之后，他被判谋杀总统罪名成立。He pleaded not guilty to murdering his former wife.他对谋杀前妻的指控作了无罪抗辩。Once he'd got started he enjoyed murderi...

“岩相学”的英语可以翻译为：facieology，petrography，lithology ...

remembered的音标：...

chalybite的音标：chalybite的英式发音音标为：['kælɪbaɪt]chalybite的美式发音音标为：['kælɪbaɪt]...

“效率”的英语可以翻译为：productiveness，efficiency，productivity，workpiece ratio ...

“外转”的英语可以翻译为：[医] abversion，exodeviation ...

causal的音标：causal的英式发音音标为：['kɔ:zl]causal的美式发音音标为：['kɔzəl]...