grades什么意思解释？

Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000.What factors does he take into consideration in determining the...

There was a lot of pressure on you to obtain good grades.你背负了拿到高分的巨大压力。Staff turnover is particularly high among junior grades.基层职员的流动率特别高。Are you in high school or are you still in the grades?你上中学了,还是仍在上小学?...

grades的音标：grades的英式发音音标为：[ɡ'reɪdz]grades的美式发音音标为：[ɡ'reɪdz]...

We enclose a checkrein settlement of all the commission owing.随函附上支票一张以清偿所欠全部佣金....

purchase的第三人称单数（三单）为：purchases...

esophagalgia的音标：esophagalgia的英式发音音标为：[ɪsɒfə'gældʒɪə]esophagalgia的美式发音音标为：[ɪsɒfə'gældʒɪr]...

[法]承担义务...

目的研究肺炎衣原体和冠心病的关系.Objective To study the relationship between Chlamydia pneumonia and coronary heart disease.价格: 60元左右, 衣原体和支原体检查150元左右.Price: 60 yuan, chlamydia and mycoplasma check around 150 yuan.但同时感染淋球菌 、 衣原体和支原体者.No...

octaves的音标：octaves的英式发音音标为：['ɒktɪvz]octaves的美式发音音标为：['ɒktɪvz]...

俱乐部的人很佩服他。People at the club think very highly of him.你不得不佩服梅利莎，她到哪里都吃得开。You've got to hand it to Melissa, she certainly gets around.你不得不佩服她的勇气。You've got to admire her grit....

亚里斯提德斯，简-贝特朗（海地牧师和政治家，是海地选举产生的第一届总统(19991-1996年）。他的大部分任期都是在美国流亡(19991-1994年)， 1994年10月他藉由美国军队重新获得政权)...

adj.多蛆的...

“拘押”的拼音为：jū yā...

“王后”的拼音为：wáng hòu...

discretely的音标：discretely的英式发音音标为：[dɪ'skri:tlɪ]discretely的美式发音音标为：[dɪ'skritlɪ]...

v.互锁设备( interlock的过去式和过去分词 )，双螺纹针织品...

affix a seal打上图章Affix the blue airmail label and leave the rest to us.贴上蓝色的空邮标签，其余的事情交给我们。Derivational affix modifies the word lexically which can be divided into prefix, infix and suffix.词缀是一种附加语素,表示词汇意义.可分为前缀 、 中缀和后缀.A...

astoundingly的音标：astoundingly的英式发音音标为：[ə'staʊndɪŋlɪ]astoundingly的美式发音音标为：[ə'staʊndɪŋlɪ]...