A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件.The method about synthesis of approximate straight line motion mechanism based on moving centrode ...

leather的复数形式为：leathers...

detaches的音标：...

Uther的音标：...

In ` Alfred the Great', ` the Great'is an epithet."阿尔弗雷德大帝"中的"大帝 " 是个称号.The specific epithet variously did or did not repeat a key word from the phrase - name.种加词不同程度地重复或不重复同片语名称的某个关键词.An epithet that sums up m...

overwhelm的现在完成时为：overwhelmed...

环辛可芬...

n.助手( helper的名词复数 )...

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

The cook is in charge of the kitchen helper.这位厨师负责管理厨工.The plumber's helper passes him tools.水暖工的助手把工具递给他.His research reveals a " helper's high. "他的研究揭示了 “ 给予者的快乐 ” 这种说法....

n.麻醉，麻痹...

Many students are not adequately prepared for higher education.许多学生并未做好接受高等教育的充分准备。Higher education is being forced to prostitute itself to market forces.高等教育被迫向市场需求妥协。Belief in the utility of higher education is shared ...

Seed the cherries before you put them in the pie.樱桃去籽之后才能做馅饼.Cherries vary in colour from almost black to yellow.樱桃的颜色由近乎黑到黄各不相同.The cherries are quite ripe.樱桃熟透了....

n.蜉蝣，蜉蝣目昆虫...

hearse的音标：hearse的英式发音音标为：[hɜ:s]hearse的美式发音音标为：[hɜrs]...

n.渔场( fishery的名词复数 )，渔业，养鱼场...

n.航天疲劳...

herb的音标：herb的英式发音音标为：[hɜ:b]herb的美式发音音标为：[ɜrb]...

meningorrhea的音标：meningorrhea的英式发音音标为：[menɪnɡɒ'rɪə]meningorrhea的美式发音音标为：[menɪnɡɒ'rɪr]...

He spun the steering-wheel so that we yawed from side to side.他急速打着舵轮，把我们搞得摇来晃去的。As the wheel turned, the potter shaped the clay.轮子一边转动，制陶工人一边拉坯。Catlett got behind the wheel and I sat in back.卡特利特开车，我坐在车子后面。...

metoxyphenol的音标：metoxyphenol的英式发音音标为：[me'tɒksi:fɪnɒl]metoxyphenol的美式发音音标为：[me'tɒksifɪnɒl]...

v.（表面的）光泽，光辉( sheen的第三人称单数 )...

ingather的第三人称单数（三单）为：ingathers...

clothe的反义词有：strip, unclothe, remove, unclothe, remove, strip。vt.clothe的反义词（给...穿衣;覆盖）：strip, unclothe, remove。clothe的反义词（其他释义）：unclothe, remove, strip。...

cyclohexyl的音标：cyclohexyl的英式发音音标为：[saɪkləʊ'heksɪl]cyclohexyl的美式发音音标为：[saɪkloʊ'heksɪl]...

peaches的音标：...

chew的复数形式为：chews...

n.地狱，阴间，训斥，胡闹，见鬼，苦境，罪恶之地vi.过放荡生活，（车辆）急驰，飞驰int.该死，见鬼（表示惊奇、烦恼、厌恶、恼怒、失望等）...

phenomenon的近义词有：marvel, miracle, wonder, phenomenon。下面这些名词均含"奇迹"的含义：marvel：侧重异乎寻常，奇怪，从而使人好奇。miracle：一般指被认为是人力所办不到的奇异之事。wonder：通常指使人惊奇的事迹、人物或景观，主要指人创造的奇迹。phenomenon：指罕见的现象或奇人、奇事。...

n.啦啦队队长，（强有力的）支持者...