diacid什么意思？

Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.Diacid has been got using diethylene glycol as decomposition agent of adduct.采用二甘醇作为加合物的分解剂,得到了二元酸...

diacid的音标：diacid的英式发音音标为：[daɪ'æsɪd]diacid的美式发音音标为：[daɪ'æsɪd]...

flank的复数形式为：flanks...

“劳苦”的反义词：逸乐。...

He used a rope to mark off the circle.他用绳子把那个圈围了起来。Read the text through and mark off the sections you find particularly applicable.通读全文，画出你认为最有用的段落。But the money had come to mark off his weaving into periods.但是,金钱却终于把他的...

n.投资，投资额，封锁，（时间、精力的）投入，值得买的东西...

“油门”的拼音为：yóu mén...

expulsions的音标：...

Shetland is the last stronghold of otters in the British Isles.设得兰群岛是水獭在不列颠群岛上最后的栖息地。the geology of the British Isles不列颠群岛的地质The boat left for the isles.小船驶向那些小岛....

“有益”的英语可以翻译为：profitable，beneficial，useful，availability，conduce ...

vt.保护，保藏，保存，[化，物]使守恒，将…做成蜜饯n.果酱，蜜饯...

Frenchman的音标：Frenchman的英式发音音标为：['frentʃmən]Frenchman的美式发音音标为：['frɛntʃmən]...

我摘下窗帘，洗了洗，然后给它们上了浆。I took down the curtains, washed, and starched them.阿尔伯格从墙上摘下那幅肖像画。Alberg took the portrait down from the wall.我摘下了湿漉漉的手套。I pulled off my sopping mittens....

implanting的音标：...

Introduce a software - based radio thinking FDMA digital IF receiver system design.介绍了一种基于软件无线电思想的频分多址中频数字化接收机系统设计方案.An improvement method frequencyaccess ( FDMA ) for routing is put forward in mobile ad hoc networks.无线移...

scram的第三人称单数（三单）为：scrams...

However, he realized the air of empty - headed heartiness might also mask a shrewd mind.但他知道,盲目的热情可能使伶俐的头脑发昏.There was in him the heartiness and intolerant joviality of the prosperous farmer.在他身上有种生意昌隆的农场主常常表现出的春风得意欢天喜地的...