复正方楔，双半面晶形...

v.惧内( henpeck的第三人称单数 )...

n.苔癣病，苔癣形成...

dimethylphenanthrene的音标：dimethylphenanthrene的英式发音音标为：[daɪ'meθɪlfɪnənθri:n]dimethylphenanthrene的美式发音音标为：[daɪ'meθɪlfɪnənθrin]...

dihydroxyphenylalanine的音标：dihydroxyphenylalanine的英式发音音标为：['daɪhaɪdrɒksɪfi:nɪ'læləni:n]dihydroxyphenylalanine的美式发音音标为：[ˌdaɪhaɪˌdrɒksiˌfenəl'æləˌfinələˌnin]...

isophenergan的音标：isophenergan的英式发音音标为：[aɪsəʊfə'nɜ:ɡæn]isophenergan的美式发音音标为：[aɪsoʊfə'nɜɡæn]...

If I keep calisthenics every day will I be in perfect shape?每天坚持跳健美操就可以塑造出完美身材了 吗 ?Calisthenics is recommended to relax the muscles before a run.建议在跑步之前做一下''.'健美操'. ''来放松一下肌肉.Sit - ups, trun...

Hitchens的音标：...

Cohen的音标：...

Chenopodiaceae的音标：...

n.鸡窝，埘，栖架...

n.等渗尿...

lichenification的音标：lichenification的英式发音音标为：[laɪkenɪfɪ'keɪʃən]lichenification的美式发音音标为：[laɪkenɪfɪ'keɪʃən]...

阿卡辛...

adv.那时，然后，那么，话说回来adj.当时的，那时的...

二氨基苯酚...

n.用连字符号连接...

Is your name hyphenated?你的名字有用连字符吗？What's the consensus on hyphenated words for 25 words or less?带有连字符号的少于25字的一致性是什 麽 ?Hyphenated and automated apparatus are also appearing on the market more frequently.同时市场中各种联用仪器和...

v.加强，巩固( strengthen的第三人称单数 )...

reprehend的现在进行时为：reprehending...

comprehensives的音标：...

n.红钒（酸）铝矿...

n.葑烯，小茴香烯...

earthen的音标：earthen的英式发音音标为：['ɜ:θn]earthen的美式发音音标为：['ɜrθn]...

A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.制备了以自制聚醚酯多元醇 、 二异氰酸酯和1, 4- 丁二醇交联剂为原料合成的聚氨酯弹性体,研究了其力学性能....

But subsequent cases have removed many of these apprehensions.然而,随后的案例又消除了许多类似的忧虑.But my apprehensions were really that I should miscarry.但是我真怕我要流产.Our pilgrim remained stupefied with undefined apprehensions.我们的旅客给莫名的恐惧吓...

卡腊米芬，咳美芬...

...

when的近义词有：when, while, as。下面这些连词均可表示"当……时"引出时间从句。when：所引导的从句，其谓语动词既可是持续动词，也可是短暂动词；谓语动词动作发生的时间可以与主句谓语动词的动作是同时，或之前、之后。 while：句中的谓语动词应为持续动词，不用短暂动词，谓语动作发生的时间通常与主句谓语动词动作发生时间是同时。as：侧重指从句与主句的动作同时进行，谓语动词可以是持续性的，可以是短暂性动词。...

The ratio of fluoranthene to pyrene may indicate that PAHarea was mainly from uncompleted combustion.根据荧蒽与芘质量浓度比值判别市区内PAH主要来源于燃料的不完全燃烧....