I was often rude and ungracious in refusing help.我拒绝接受帮助的时候时常显得粗鲁无礼。It is ungracious of me not to acknowledge your help.你大力帮助而我尚未表示谢意,十分失礼.It would be ungracious not to accept your invitation.盛情难却....

aggression的近义词有：aggression, invasion, assault, attack, offensive。下面这些名词均有"进攻，侵略"的含义：aggression ：词义宽泛，既可指武装入侵别国领土，又可指文化、经济等方面的侵略。侧重敌意行动和征服的企图。invasion ：多指具体的侵入或侵犯别国领土，也可用于指抽象事件。assault ：主要指突然而猛烈的进攻。attack ：普通用词，含义广，指事先不发警...

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

n.方程式，等式，相等，[化学] 反应式...

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

disputatious的音标：disputatious的英式发音音标为：[ˌdɪspjʊ'teɪʃəs]disputatious的美式发音音标为：[ˌdɪspjʊ'teɪʃəs]...

reactionary的反义词有：radical, radical。adj.reactionary的反义词（保守的）：radical。reactionary的反义词（其他释义）：radical。...

You could never eliminate risk, but preparation and training could attenuate it.风险不可能完全消除，但可以通过防范和培训来降低。Rub the surface of the wood in preparation for the varnish.打磨木头的表面，为刷清漆做准备。She stressed the importance of careful pr...

conceptions的音标：conceptions的英式发音音标为：[kən'sepʃnz]conceptions的美式发音音标为：[kən'sepʃnz]...

abiophysiology的音标：abiophysiology的英式发音音标为：[æbɪəfɪzɪ'ɒlədʒɪ]abiophysiology的美式发音音标为：[æbɪrfɪzɪ'ɒlədʒɪ]...

n.免疫...

fashioned的音标：fashioned的英式发音音标为：['fæʃənd]fashioned的美式发音音标为：['fæʃənd]...

n.劣势，下等，次级，自卑情绪...

按比例的分配，配定产量...

amelioration的反义词有：deterioration。n.amelioration的反义词（改善;改良;修正）：deterioration。...

population的复数形式为：populations...

n.金银通货主义，重金主义...

Rio的音标：Rio的英式发音音标为：['ri:əʊ]Rio的美式发音音标为：['rioʊ]...

efficacious的反义词有：inefficacious, inefficacious。adj.efficacious的反义词（有效的;灵验的）：inefficacious。efficacious的反义词（其他释义）：inefficacious。...

Talk things through in stages. Do not accuse or apportion blame.把事情按部就班地讲清楚。不要责难或归罪于人。I don't wish to apportion blame among you / to any of you.我不愿意怪罪你们大家[你们任何人].It's already been agreed in principle to apporti...

The Weatherproof louvre is designed for intake and exhaust ventilation applications.防风雨百叶窗设计用于进排气通风应用.Stimulation of the autonomic nervous system can occur owing to hypoxia or hypercarbia from depressed ventilation.自主神经系...

audiometer的音标：audiometer的英式发音音标为：[ˌɔ:dɪ'ɒmɪtə]audiometer的美式发音音标为：[ˌɔdɪ'ɒmətə]...

n.氦核，α粒子，α质点...

She speaks fluent and idiomatic English.她讲一口流利地道的英语。In our reading we should always be alert for idiomatic expressions.我们在阅读过程中应经常注意惯用法.If you live in England, you will soon learn to speak idiomatic English.如果你住在英国, 很快就可...

spoliation的音标：spoliation的英式发音音标为：[ˌspəʊlɪ'eɪʃən]spoliation的美式发音音标为：[ˌspoʊlɪ'eɪʃən]...

Morris was so stunned by this that he experienced a moment of total disorientation.莫里斯因此大为震惊，以致一度无所适从。This behavior is so unexpected that it generates instant disorientation ( and sometimes even anger ).它的行为是如此出乎意料,会让人很不...

excursion的复数形式为：excursions...

millions的音标：millions的英式发音音标为：['mɪlɪənz]millions的美式发音音标为：['mɪlɪrnz]...

n.脱皮，脱壳...

arteriolospasm的音标：arteriolospasm的英式发音音标为：[ɑ:tɪəri:əʊləs'pæzəm]arteriolospasm的美式发音音标为：[ɑtɪərioʊləs'pæzəm]...