benzpyrene什么意思解释？

benzpyrene的音标：benzpyrene的英式发音音标为：[benz'paɪri:n]benzpyrene的美式发音音标为：[benz'paɪrin]...

Rich car buyers in China prefer to be driven by chauffeurs.中国富裕的汽车购买者喜欢配备私人司机.Chauffeurs need to have good driving skills and know the roads well.司机需要有好的驾驶技术并且对道路很熟悉.The rent includes the service fee for the chauffeurs.租...

n.龙，龙船，[D-][天文学]天龙（星座），[口语、贬义]脾气暴躁的人...

horn的现在进行时为：horning...

n.鹤嘴锄...

水的纯度定期检测。The purity of the water is tested regularly.要求学生们检验铜的纯度.The students are asked to prove the purity of copper.我们可以保证它的纯度.We can guarantee it pure....

hold up的音标：hold up的英式发音音标为：[həuld ʌp]hold up的美式发音音标为：[hold ʌp]...

[计] 回溯...

[电] 左讯号...

[医][=ethylenediamine-dimethylphosphinic acid]乙二胺二甲基次磷酸...

jay的音标：jay的英式发音音标为：[dʒeɪ]jay的美式发音音标为：[dʒe]...

她新买的皮鞋是尖头的,款式很新颖.She bought a new type of leather shoes with pointed ends.上面一行的字体的书法原型是一种尖头的书法钢笔.The characters in the top line are constructed with a pointed pen ( calligraphic tool ).本实用新型涉及一种利用高分子材料制作的刷丝, 尤其是指一种尖头的刷丝....

医生直言相告，并做了最坏的预测。The doctors didn't mince their words, and predicted the worst.最坏的情况是你可能会无家可归。In the worst-case scenario, you could become a homeless person.我是天生的悲观主义者。我总是做最坏的打算。I'm a natural pessimist; I usuall...

于是在复平面上, 鲁棒稳定性问题就转化为伪谱横坐标(伪谱最右端的横坐标值)最小的优化问题.Therefore, on the complex plane, robust stability can be formulated by minimization of pseudospectra abscissa.使用最低限度的协调与横坐标值使他们不跑在一起.Use a minimum of ordinate and abscissa val...

dipnoan的音标：dipnoan的英式发音音标为：['dɪpnəʊən]dipnoan的美式发音音标为：['dɪpnoʊrn]...

The last track on the CD is an instrumental.CD上的最后一支曲目是一首器乐曲。Jesse Jackson was instrumental in the release of some of the hostages.其中一些人质得以获释多亏了杰西·杰克逊。He was instrumental in bringing about an end to the conflict.他在终止冲突的过...