butyrolactone的音标？

N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....

n.丁内酯...

在各种规定的培养基上可得到锈菌的单体纯净培养物.The axenic culture of rusts has been achieved on various defined media.这种工作曾被证实适用于其它锈菌.This work has been shown to apply to other rusts.一旦定殖后, 早期锈菌的增长是对数性质的.Once established, early rust increase i...

disgust的音标：disgust的英式发音音标为：[dɪs'gʌst]disgust的美式发音音标为：[dɪs'ɡʌst]...

find的一般过去时为：found...

mix的现在进行时为：mixing...

“嬉闹”的英语可以翻译为：frolic ...

tented的音标：tented的英式发音音标为：['tentɪd]tented的美式发音音标为：['tɛntɪd]...

“发亮”的拼音为：fā liàng...

faroelite的音标：faroelite的英式发音音标为：[feə'rəʊelaɪt]faroelite的美式发音音标为：[fer'roʊelaɪt]...

膜壳科...

diethylmalonylurea的音标：diethylmalonylurea的英式发音音标为：[dɪəθɪlmælənɪlu:'rɪə]diethylmalonylurea的美式发音音标为：[dɪrθɪlmælənɪlu'rɪr]...

landholder的音标：landholder的英式发音音标为：['lændhəʊldə(r)]landholder的美式发音音标为：['lændhoʊldə(r)]...

Having mown the lawn, there are all those grass clippings to get rid of.修剪草坪后有很多剪下的碎草需要清理。In the candlelight , at the table, she studied the clippings.在烛光中, 她在餐桌上仔细看那些剪报.Finally she studied the magazine clippings.最后她仔细看了...

“前线”的英语可以翻译为：front，frontline，battlefront，front line，[电影]Frontie...

bereft的音标：bereft的英式发音音标为：[bɪ'reft]bereft的美式发音音标为：[bɪ'rɛft]...

When the days shorten in winter some people suffer depression.冬季天短，有些人会变得抑郁消沉。Injury problems could shorten his career.受伤的问题有可能缩短他的职业生涯。Minor accidents can shorten the life of a car.小事故会缩短汽车寿命....