Azone is synthesized with caprolactam and 1 - bromododecane by phase transfer catalysis, the yield is > 70 %.以己内酰胺、澳代十二烷为原抖,采用相转移催化法合成氮酮, 收率达到70%以上.A wide | bore capillary was employed to determine caprolactam content.利用...

isopropylacetone的音标：isopropylacetone的英式发音音标为：[aɪsəp'rɒpaɪləstəʊn]isopropylacetone的美式发音音标为：[aɪsəp'rɒpaɪləstoʊn]...

propel的现在进行时为：propelling...

proselytize的现在完成时为：proselytized...

It made his great nose protrude more arrogantly.这就使得他的大鼻子更加傲慢地翘起来.His teeth protrude like fangs.他的牙齿像犬牙一样向外凸出.His teeth protrude.他牙齿外露。" Her name Belle Watling,'said Uncle Peter, his lower lip beginning to protrude....

prostitute的复数形式为：prostitutes...

privy的复数形式为：privies...

She asked for a printout of the previous year's accounts.她索要了一份去年账目的打印件.Get me a printout of the statistics.给我一份打印出的统计资料.Colloquialism for recorder or printout device in control system.在控制系统中记录器或打印输出设备的统称....

propriety的音标：propriety的英式发音音标为：[prə'praɪəti]propriety的美式发音音标为：[prə'praɪɪti]...

Cuprinol的音标：...

n.手动操作印刷机...

adj.（时间、顺序等方面）近邻的，最接近的...

protractor的复数形式为：protractors...

proclaim的现在完成时为：proclaimed...

How about for those select few who possess the predispositions.至于,为数极少的在这方面有资质的人.Education a fundamental way to enhance the quality of national predispositions.教育是提高国民素质的根本途径.Also Zaller talks a lot about messages that a...

The hotel was perched precariously on a steep hillside.旅馆危险地坐落在陡峭的山坡上.She leaned precariously out of the window.她把身子探出窗外，真危险。Car horns toot as cyclists dart precariously through the traffic...骑车人危险地在车流中飞速穿行时，汽车喇叭的嘟嘟声响成一片...

deprive的现在进行时为：depriving...

Political and personal ambitions are starting to prevail over economic interests.政治抱负和个人野心开始压倒经济利益。Rick still believes that justice will prevail.里克仍然相信正义会得以伸张。Can you prevail on him to go?你能说服他走 吗 ?...

n.进行，进程，行动，诉讼，会议记录v.进行( proceed的现在分词)，前进，（沿特定路线）行进，（尤指打断后）继续说...

presume on的音标：presume on的英式发音音标为：[pri'zju:m ɔn]presume on的美式发音音标为：[prɪ'zum ɑn]...

v.兜风( promenade的现在分词 )...

prod的现在完成时为：prodded...

...

prohibits的音标：...

The injured were airlifted to hospital in Prestwick.伤者被空运送往普雷斯特维克的医院。Coming bake to Prestwick form Frankfurt, there are flight 05 a.m. and 05 p.m.从法兰克福回到普雷期斯特威克的班机, 有早上8点5分及下午5点45分两班....

approve的现在进行时为：approving...

profane的复数形式为：profanes...

promised的音标：...

The conditions are ripe for the spread of disease.这种疾病传播的条件已经成熟。The move follows growing public concern over the spread of the disease.针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。He campaigned for peace and against the spread of nuclear...

apprise的一般过去时为：apprised...