n.尖叫声，尖锐的声音vt.& vi.发出尖叫声，发出尖锐刺耳的声音，发出恐惧或痛苦的叫喊声...

You did have a tape recorder with you.你确实带了录音机。The program was recorded on a tape recorder.节目录在磁带录音机上.This tape recorder is very reliable.这架录音机很好使...

n.表儿茶酸...

precursor的复数形式为：precursors...

an inexperienced and untrained recruit一个没有经验和未经训练的新兵At arrival You can only recruit and train mercenaries.到达你只能招募和训练雇佣军.This is a nationwide campaign to recruit women into trade unions.这是一次吸收妇女参加工会的全国性运动.The police are t...

Brown granulated sugar was decolorized by sodium metabisufite and composite macromolecular flocculant.研究了重硫氧与复合高分子絮凝剂对复溶赤砂糖脱色的效果.CHARMM is a program for macromolecular dynamics and mechanics.CHARMM是大分子动力学和力学的程序.Poly - la...

gyrectomy的音标：gyrectomy的英式发音音标为：[dʒaɪə'rektəmɪ]gyrectomy的美式发音音标为：[dʒaɪə'rektəmɪ]...

lecture的音标：lecture的英式发音音标为：['lektʃə(r)]lecture的美式发音音标为：['lɛktʃɚ]...

effect的一般过去时为：effected...

Those involved had performed acts unbecoming of university students.那些参与者的所作所为有失大学生的体面。It is utterly unbecoming of him to do such a thing.干这种事与他的身分极不相称....the unbecoming dress hurriedly stitched from cheap cloth.用廉价布料匆匆缝...

n.趣闻，轶事，[复数]秘史...

The usual analysis has correctly pointed to pressures that tend to make cartel power erode.通常的分析曾正确地指出了使卡特尔的力量受到削弱的种种压力.When an accident happens, quite correctly questions are asked.当事故发生时，理所当然要询问一些情况。The children have n...

reconciles的音标：...

正负作用...

secure的现在完成时为：secured...

An elevator mechanic can work the machinery directly by turning this lever.电梯修理工可以转动这根杠杆直接操作机器。He was a born mechanic with a flair for design.他生来就是个有设计天赋的机械师。He worked as a motor mechanic.他是一名汽车修理工。...

adj.化痰的n.除痰剂...

recommend的第三人称单数（三单）为：recommends...

respective的音标：respective的英式发音音标为：[rɪ'spektɪv]respective的美式发音音标为：[rɪ'spektɪv]...

deci的音标：deci的英式发音音标为：[dɪ'kɪ]deci的美式发音音标为：[dɪ'kɪ]...

necessity的近义词/同义词有：ineluctability, certainty, inescapability, inevitability, certitude, duress, force, coercion, constraint, pressure, compulsion, obligation, obligato, indispensability, mandatary, obligation, needful, e...

n.电影放映员，幻灯放映员，电视播放员( projectionist的名词复数 )...

piece的第三人称单数（三单）为：pieces...

objection的复数形式为：objections...

electrophotoluminescence的音标：electrophotoluminescence的英式发音音标为：[elektrəfətəʊ'lu:mɪnsk]electrophotoluminescence的美式发音音标为：[elektrəfətoʊ'lumɪnsk]...

declassify的第三人称单数（三单）为：declassifies...

infect的一般过去时为：infected...

rector的复数形式为：rectors...

n.除蜡法...

effect的复数形式为：effects...