valved怎么读？

adj.装有阀的...

Ostracodes are small animals, most of which have a two valved shell.介形虫是小型动物, 其中大部份都具有两瓣的外壳.A large, valved, brass wind instrument with a bass pitch.大型带活塞的低音铜管乐器.Q 20 : Can a valved respirator be used for protection from...

综述了石油钻杆接头失效的十一种主要形式.Eleven mare modes of tool joint failures are summarized.那个钻杆的丝扣坏了, 换另外一根.That pipe thread is bad. Use another one instead.本文还介绍了微型钻杆测试系统压力瞬时分析方法.A systematic pressure transient analysis method for min...

roil的音标：roil的英式发音音标为：[rɔɪl]roil的美式发音音标为：[rɔɪl]...

一半切除...

昨夜闲潭梦落花.Last night he dreamed that falling flowers would not stay.一阵秋风吹过,落花遍地.The floor is covered with fallen flowers after an autumn wind.落花有意随流水, 流水无心恋落花.Fallen flowers intends to woo flowing water, only to draw a bla...

adj.善于控制别人的，善于控制形势的，熟练的，娴熟的...

favorable的近义词/同义词有：salutary, serviceable, suitable, profitable, gainful, valuable, auspicious, propitious, rewarding, conducive, fortunate, timely, fit, effectual, helpful, advantageous, convenient, beneficial, handy, us...

cataloguing的音标：cataloguing的英式发音音标为：['kætəlɒɡɪŋ]cataloguing的美式发音音标为：['kætəlɒɡɪŋ]...

forepumping的音标：forepumping的英式发音音标为：[fɔ:rɪ'pʌmpɪŋ]forepumping的美式发音音标为：[fɔrɪ'pʌmpɪŋ]...

Tina的音标：Tina的英式发音音标为：['ti:nʌ]Tina的美式发音音标为：['tinə]...

New car buyers and smokers will be hit by increases in taxes and excise.税率和消费税的提高将使新车买主和烟民受到打击。...this year's rise in excise duties...今年消费税的提高excise duty on spirits对烈酒征收的消费税Hardly had he returned to London when an a...

We strolled past tinkling fountains and perfumed gardens.我们漫步经过泉水叮咚的喷泉和芬芳四溢的花园。Champenois wines can be particularly fragrant and perfumed.香槟酒的香味会特别浓郁。The air was perfumed with the scent of subtropical vegetation.空气中弥漫着亚热...

snow的一般过去时为：snowed...

circus的音标：circus的英式发音音标为：['sɜ:kəs]circus的美式发音音标为：['sɜrkəs]...

n.芳基金属（化合物）...

amylopectin的音标：amylopectin的英式发音音标为：[ˌæmələʊ'pektɪn]amylopectin的美式发音音标为：[ˌæməloʊ'pektɪn]...