on and off是什么意思

on and off的音标：on and off的英式发音音标为：[ɔn ænd ɔf]on and off的美式发音音标为：[ɑn ənd ɔf]...

Sam was flicking a flashlight on and off.萨姆啪啪不停地把手电筒开了又关。It rained on and off all day.哩哩啦啦下了一天雨.This low-impact exercise involves stepping on and off a platform following routines to music.这一低强度锻炼的内容包括在伴随音乐做完固定动作之后重复踏上踏下...

“着急”的反义词：镇静, 心安, 平静, 镇定。...

代森锰...

“所以”的反义词：因为。...

后一类物质中最有特征性的成份是鼠李糖 - 葡萄糖-IAA糖苷复合物.The best characterized member of this latter group is a rhamnose - glucose - IAA glycosidic complex.多余性巴氏杆菌各菌株对多种糖, 醇, 糖苷的发酵是很不同的.The fermentation of many sugurs, alcohols, and glucoside...

n.圆锥形晶状体...

“丁肾素”的拼音为：dīng shèn sù...

“向前推”的拼音为：...

gnosis的音标：gnosis的英式发音音标为：['nəʊsɪs]gnosis的美式发音音标为：['noʊsɪs]...

throne的复数形式为：thrones...

fumarine的音标：fumarine的英式发音音标为：['fju:məri:n]fumarine的美式发音音标为：['fjumərin]...

condone的音标：condone的英式发音音标为：[kən'dəʊn]condone的美式发音音标为：[kən'doʊn]...

college的近义词/同义词有：corporation, fellowship, league, society, academy, association, learned, cultural, academia, college, years, life, corporate, community, body, division, department, institute, multiversity, college, grad...

His doughty campaigns for the underprivileged have earned him national respect.他为弱势群体奔走呼号，赢得了全国的尊敬。The campaigns are part of American-style innovations being pioneered by the new universities.这些运动是几所新建大学倡导的美式创新的一部分。This ...

n.同型杂种...

tradesman的音标：tradesman的英式发音音标为：['treɪdzmən]tradesman的美式发音音标为：['tredzmən]...