borane怎么读？

n.硼烷...

Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青....

Troll's exclusive, personalized luggage is made to our own exacting specifications in heavy-duty PVC/nylon...特罗尔专用的、个性化的行李箱是按照我们自己严格的规格要求用耐用聚氯乙烯/尼龙材料定制的。Ice trolls are a subspecies of troll that lives in cold climat...

“按季的”的英语可以翻译为：[医]qr.，quarterly ...

In this it has done mankind a great disservice.这种做法对人类危害非浅.Mankind has always struggled forward no matter what difficulty lies in its way.不管道路上有什么困难, 人类总是要奋勇前进。He has devoted his whole life to benefiting mankind.他为全人类的利益...

flews的音标：flews的英式发音音标为：[flu:z]flews的美式发音音标为：[fluz]...

abbreviator的音标：abbreviator的英式发音音标为：[ə'bri:vɪˌeɪtə]abbreviator的美式发音音标为：[ə'brivɪˌeɪtə]...

“杯形器”的英语可以翻译为：cupule ...

You've done a fine job with Billy and Joey.你和比利、乔伊一起干得非常出色。The track features Joey Langton on percussion .唱片的这段乐曲是乔伊∙兰顿演奏的打击乐。"Look," he said in a confidential tone, "I want you to know that me and Joey are cops."“听...

“占有”的反义词：放弃。...

v.（使）聚集（ gather的过去式和过去分词 ），集合，推断，了解...

n.四十，四十几adj.四十的...

toneless的音标：toneless的英式发音音标为：['təʊnləs]toneless的美式发音音标为：['toʊnləs]...

The youths are taught how to spray paint cars and mend fences.教授年轻人如何给汽车喷漆和修理护栏。Interchangeable spray - can nozzles fitted to can to var y width of spray.可互换的水沫 - 罐子喷嘴适合将改变水沫的宽度装于漆灌.The walls had been horribly vandalized...

A large crowed gathered under the Town Hall clock.一大群人聚集在市政厅的大钟下.The cock clapped his wings and crowed.公鸡振翅啼叫.The cock has crowed for the third time.鸡唱三遍....

abbr.if and only if 当且仅当…时，在而且只有在…时n.当且仅当...

人们总会沉不住气，为任何事感到担忧。People will work themselves up into a state about anything.针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。The move follows growing public concern over the spread of the disease.为什么他总是无法摆脱那些想法和担忧？Why couldn't he ever ...