They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.它们主要被用来催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反应....

electralloy的音标：...

I shall have words with these stupid friends of mine!我真应该跟我这些愚蠢的朋友理论理论！I shall be 26 years old on Friday next.下周五我就26岁了.I know I shall feel for ever in her debt.我知道我将会永远感激她。...

dining hall的音标：dining hall的英式发音音标为：['daɪnɪŋ hɔ:l]dining hall的美式发音音标为：['daɪnɪŋ hɔl]...

adv.厌恶地，反感地...

n.呐喊，喧闹，大吹大擂，假大空的宣传vt.（为…）大吹大擂...

全年，一年到头...

brutally的音标：brutally的英式发音音标为：['bru:təlɪ]brutally的美式发音音标为：['brutlɪ]...

shallow的反义词有：deep, profound, deep。adj.shallow的反义词（浅的;肤浅的;弱的）：deep。shallow的反义词（其他释义）：profound, deep。...

微茎亚科...

ballyhoos的音标：...

喷镀金属器，金属粉末...

n.考拉洛铝镁合金...

allowance的复数形式为：allowances...

What will be the effect of the alliance between IBM and Apple?若IBM公司和苹果公司联手将会有什么效果呢？There are signs that the alliance is now fraying at the edges.有迹象表明该联盟现正分崩离析。Yet now he was here, in extremis, to seek an alliance.然而现在他...

eventually的音标：eventually的英式发音音标为：[ɪ'ventʃuəli]eventually的美式发音音标为：[ɪ'vɛntʃuəli]...

Mallophaga的音标：Mallophaga的英式发音音标为：[mælə'fæɡə]Mallophaga的美式发音音标为：[mælə'fæɡə]...

adv.审美地，美学观点上地...

He will go to the Middle East next week to get the ball rolling again on peace talks...他下周将前往中东，开始重启和谈。Hit the ball to her forehand.把球打到她握拍手的一边.In the end, everything turned out OK at the deb ball.最后社交舞会的每一件事情的结果的很好.Nina...

I want the manager'sjob when he calls it a day.等到经理不干了之后，我想接替他的位子。Calls cost 36p (cheap rate) and 48p (peak rate) per minute.电话每分钟36便士（优惠费率）和48便士（高峰费率）。Not long afterward she received five calls in one day.不久之后，她一天内...

allitization的音标：allitization的英式发音音标为：[əlɪtaɪ'zeɪʃn]allitization的美式发音音标为：[əlɪtaɪ'zeɪʃn]...

He had wrenched his ankle badly from the force of the fall.他因摔倒而严重扭伤了脚踝。Two cities stop in Friday fall, but still bounced the asthenia.两市于周五止跌, 但仍反弹乏力.The helmets are designed to withstand impacts equivalent to a fall fr...

gall的现在进行时为：galling...

actually的音标：actually的英式发音音标为：['æktʃuəli]actually的美式发音音标为：['æktʃuəli]...

stonewalls的音标：...

立体异构...

adj.布满全面的，布满全面之花样的n.印花布...

I was curled up on the floor in a corner sobbing hysterically.我蜷缩在地上的某个角落，失声痛哭。"Bernard?" Her voice rose hysterically.“伯纳德？”她歇斯底里地提高了嗓门。The children giggled hysterically.孩子们歇斯底里地傻笑....

Schrader initialled the chit for the barman.施拉德在收条上用首字母签了字，交给了酒吧招待。The agreement was initialled in June.这份协议是6月份草签的。The painter had initialled the picture at the bottom.画家在画作的底部签下了姓名的首字母....

The economic crisis was interpreted in diametrically opposing ways.对于这场经济危机有着截然不同的解释。They came to conclusions diametrically opposed to ours.他们得出了与我们完全相反的结论。We hold diametrically opposed views.我们的观点大相径庭。...