Frank was carrying out fuel-system tests which necessitated turning the booster pumps off.弗兰克在做燃料系统测试，这一测试需要关掉升压泵。A prolonged drought had necessitated the introduction of water rationing.由于持续干旱，用水需要实行配给了。The word " neces...

denounces的音标：...

Naphthoylimine Fluorescent Whitening Agent ( FWA ) can be made from tar - acenaphthene.以焦油苊为原料,研制萘酰亚胺型荧光 增白剂.The results show that ozonation improves the bioavailability of acenaphthene.臭氧氧化改善了苊的可生化性.The derivates of nap...

Lucius got apprenticed to a stonemason.卢修斯成了石匠的学徒。When I was old enough, I was to be apprenticed to Joe.等我达到了一定的年龄, 就可以跟乔做学徒.Greg apprenticed with his uncle, who was a talented carpenter.格雷戈曾经当过他伯父的学徒, 他伯父是一位很有才华的木匠....

cementoclasia的音标：cementoclasia的英式发音音标为：[sɪmentə'kleɪsɪə]cementoclasia的美式发音音标为：[sɪmentə'kleɪsɪr]...

dithioacetals的音标：dithioacetals的英式发音音标为：['dɪθi:əʊeɪsɪtəlz]dithioacetals的美式发音音标为：['dɪθioʊeɪsɪtəlz]...

centavo的音标：centavo的英式发音音标为：[sen'tɑ:vəʊ]centavo的美式发音音标为：[sen'tɑvoʊ]...

The scientist could not calculate when the spaceship would reach the Jupiter.那位科学家没有算出那艘宇宙飞船什么时候会到达木星。The spaceship is already being counted down.宇宙飞船已开始倒数计时了.The spaceship will soon be launched, the people at control ha...

cenotaphs的音标：...

The chromatin remodeling and histone acetylation were associated with transcription activation.真核基因活化与染色质的重建及组蛋白的乙酰化相关.In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,...

n.没药科植物...

v.承认( concede的现在分词 )，出让，容许，承认(比赛、选举等失败...

At greater epicentral distances the Rayleigh waves become very prominent.当离震中距离更大时,瑞雪波才变得显著.How large will the epicentral area be?震中区有多大?...

importance的复数形式为：importances...

She shrugged, feigning nonchalance.她耸耸肩, 装出一副无所谓的样子.Jon faked nonchalance.乔恩装作若无其事的样子。Jon faked nonchalance...乔恩装作若无其事的样子。declining the offer with cool nonchalance冷淡地拒绝这一提议He conceals his worries behind a mask of nonchal...

The dedusting efficiency of the electrostatic dust precipitator was enhanced after reform.改造后,电除尘器除尘效率提高.As a general rule, all muscular effort is enhanced by breathing in as the effort is made.通常，肌肉的力量能通过使劲儿吸气增强。RSI sig...

workpiece的音标：workpiece的英式发音音标为：['wɜ:kˌpi:s]workpiece的美式发音音标为：['wəkpis]...

n.反响过强...

enounces的音标：...

I was apprenticed to a builder when I was fourteen.14岁时，我拜一个建筑工人为师当学徒。Greg apprenticed with his uncle, who was a talented carpenter.格雷戈曾经当过他伯父的学徒, 他伯父是一位很有才华的木匠.He was apprenticed to a master silversmith.他跟银匠师傅拜师学艺.Luciu...

eccentric的音标：eccentric的英式发音音标为：[ɪk'sentrɪk]eccentric的美式发音音标为：[ɪk'sɛntrɪk, ɛk-]...

Take amice quickly, hit otherwise not bad your body!快把披肩取下来, 否则打不坏你的身子!...

Italy's champion downhill racer意大利的山坡速降滑雪冠军A racer leaps over a fire obstacle on January 31,2010 in Wolverhampton, England.较1月31日火灾的障碍,在伍尔弗汉普顿, 2010年英国车手飞跃.Tim Powell is a former champion powerboat racer.蒂姆·鲍威尔曾是汽艇比...

乳杆菌科，乳酸细菌科...

n.肝脏脱出，肝膨出...

emplacements的音标：...

The editors are being prosecuted for obscenity.编辑因刊载污秽文字而被起诉。Cramer spat an obscenity.克拉默愤愤地骂了一句脏话。The meanness of anonymity gave a shuddering obscenity to the moment.这种匿名的卑鄙行为使他一时觉得下流得让人吃不消.He insisted these photographs...

Was there any concurrence of opinion?意见有没有达成一致?The sidewise look and a pull at the beard expressed concurrence with a naughty erotic taste.他眼光朝旁边一瞟,捋了捋胡子,同时装出一副色迷迷的轻薄相.The concurrence of their disappearances had to be mo...

Evidences concerning their self - autonomy and self - assertiveness abound in the three plays.而三位男主人翁相比之下不断 自我 否定、 自我 消融.Objective : To provide evidences for the identification of Argyreia acuta Lour.目的: 为鉴别和开发一匹绸提供科学依据....

硅藻科...