ketal怎么读？

Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...

n.酮缩醇，缩酮...

她的母亲被关在精神病院，这给她的童年蒙上了阴影。Her childhood was overshadowed by her mother's incarceration in a psychiatric hospital.童年早期的情感创伤留下了难以抚平的伤痕。The emotional wounds of early childhood leave ineradicable scars.我内心充满着对纯真的童年时光的怀念。I...

The attribute of the hexagram is devotion; its image is the earth.这个卦的属性是“奉献”, 它的表现形式是“地球”.Women tend to attribute their success to external causes such as luck.女性倾向于将她们的成功归因于外部因素，比如运气。People were beginning to attribute ...

n.病因学，病源论...

haunted的音标：haunted的英式发音音标为：['hɔ:ntɪd]haunted的美式发音音标为：['hɔntɪd]...

Why give publicity to this self-indulgent, adolescent oaf?为什么要宣传报道这个行为任性、青春期未满的白痴呢？To buy flowers for myself seems wildly self-indulgent.为自己买花似乎太放纵自己了。to take an indulgent view of sth宽宏大量地看待某事...

mycology的音标：mycology的英式发音音标为：[maɪ'kɒlədʒi]mycology的美式发音音标为：[maɪ'kɑlədʒi]...

这些观点迅速成为语言学中新的正统观念。These ideas rapidly became the new orthodoxy in linguistics.虽然观点正统，但佩恩合乎情理的见解还是令他为人称道。Payne gained a reputation for sound, if orthodox, views.他抛开盛行的正统观念，问了一些难以回答的问题。He broke from prevailing orthodoxies...

lagosin的音标：lagosin的英式发音音标为：['lægəsɪn]lagosin的美式发音音标为：['lægəsɪn]...

He had spent several uproarious evenings at the Embassy Club.他在使馆俱乐部度过了几个狂欢夜。This utterance of his was greeted with bursts of uproarious laughter.他的讲话引起阵阵哄然大笑.The noise of talk and laughter was uproarious.说笑声很吵人。...

homoeopathist的音标：homoeopathist的英式发音音标为：[həʊmɪ'ɒpəθɪst]homoeopathist的美式发音音标为：[hoʊmɪ'ɒpəθɪst]...

我跳起来,免得走神.I jumped to my feet so my thoughts wouldn't start to wander.贾维斯发现自己走神了。Jarvis found his attention wandering.对不起, 刚才我走神了.I'm sorry, my attention was taken away for a moment....

obstruction的近义词/同义词有：stop, obstacle, roadblock, snag, impediment, block, check, restriction, difficulty, taboo, hitch, constraint, interdiction, prohibition, trammel, embargo, stumbling, preclusion, barricade, limitation...

n.总统，（大学）校长( president的名词复数 )，会长，[P-]总统，银行行长...

melodramatics的音标：melodramatics的英式发音音标为：[ˌmelədrə'mætɪks]melodramatics的美式发音音标为：[ˌmɛlədrə'mætɪks]...

“头足纲”的英语可以翻译为：[医] Cephalopoda ...