necessary的反义词有：unnecessary, needless。adj.necessary的反义词（必要的,必需的）：unnecessary, needless。...

decadiene的音标：decadiene的英式发音音标为：['dekədɪən]decadiene的美式发音音标为：['dekədɪrn]...

Do you know if hereabout have preferable refectory for Western - style food.你知道附近有比较好的西餐厅吗?We expect a refectory that provides delicious food after improvement.期待改善后的美味食堂.They eat most days in the college refectory.他们多数都...

He was drowned in a shipwreck off the coast of Spain.他在西班牙海岸附近的一次海难中溺水身亡。They narrowly escaped shipwreck in a storm in the North Sea.他们在北海遇到风暴，船险些失事。They offered a thanksgiving to God for their escape from the shipwreck....

They cost nine pounds new, three pounds secondhand.新的9英镑，旧的3英镑。Others donated secondhand clothes.其他人捐赠了一些旧衣服。I bought a secondhand chair which is as good as new.我买了一把二手货椅子,它如同新的一样....

Elaborate efforts were made to reconstruct what had happened.为重现当时的情景，他们做了大量细致的工作。He had plastic surgery to help reconstruct his badly damaged face.他做了整形手术以修复其严重受伤的面部。They have tried to reconstruct the settlement as it w...

The cab was decked out with multi-coloured lights.出租车上装饰了五颜六色的彩灯。Villagers decked the streets with bunting.村民用彩旗装饰街道。Villagers decked the streets with bunting...村民用彩旗装饰街道。The house was decked with flowers.房子里装点着鲜花。I hear...

insectoverdin的音标：insectoverdin的英式发音音标为：[ɪn'sektəvɜ:dɪn]insectoverdin的美式发音音标为：[ɪn'sektəvɜdɪn]...

The production process is now highly mechanized.现在的生产过程高度机械化。A good deal of housework can be mechanized.大量家务活可用机械化操作.Intensive mechanized agriculture is typically regarded as being efficient.机械化集约农业是高效率的典型....

抗卵磷酯酶...

adj.各自的，分别的...

adj.排泄物的，渣滓的，糟粕的...

v.使直立，竖起( erect的第三人称单数 )，建立...

calycectomy的音标：calycectomy的英式发音音标为：['keɪlɪsektəmɪ]calycectomy的美式发音音标为：['keɪlɪsektəmɪ]...

n.妇女当政，女权政治...

A player building a SimCity recapitulates Will Wright's sequence in inventing it.一位《虚拟城市》玩家总结了威尔发明这个游戏的顺序.He hesitates, he recapitulates.他犹豫不决, 颠三倒四....

economized的音标：...

macroeconometrics的音标：macroeconometrics的英式发音音标为：[meɪkrəʊkɒnɒ'metrɪks]macroeconometrics的美式发音音标为：[meɪkroʊkɒnɒ'metrɪks]...

lithectasia的音标：lithectasia的英式发音音标为：[lɪ'θekteɪʒjə]lithectasia的美式发音音标为：[lɪ'θekteɪʒjə]...

小果滨藜属...

n.电位记录器，传真机，电雕刻器，电描记器...

checkrow的音标：checkrow的英式发音音标为：['tʃekrəʊ]checkrow的美式发音音标为：['tʃekˌroʊ]...

n.生态学者( ecologist的名词复数 )...

His hair was increasingly flecked with grey.他头上的白发越来越多。He was attired in a plain, mud-flecked uniform.他身穿一件朴素的制服，上面满是泥点。The irises were of flecked grey.虹膜呈斑驳的灰色....

演讲，致辞，讲演...

vt.使非殖民化...

The relay operates on the sum of the currents flowing in CT secondaries from switching points.继电器根据开关点CT二次侧的总电流动作....

电记波法，电记波照相术...

directness的音标：directness的英式发音音标为：[də'rektnəs]directness的美式发音音标为：[də'rektnəs]...

n.分散，排除集中...