valuable的反义词有：valueless, invaluable, invaluable, valueless。adj.valuable的反义词（贵重的;有价值的）：valueless, invaluable。valuable的反义词（其他释义）：invaluable, valueless。...

prevalent的近义词/同义词有：fashionable, popular, well-known, current, widespread, standard, usual, general, customary, common, universal, common, epidemic, usual, popular, universal, general, accustomed, fashionable, widespread,...

Objective To observe bone mass changes during convalescence after simulated weightlessness.目的观察模拟失重恢复期骨质的变化.After convalescence he had a relapse.他于痊愈之后,病又发作了一次.Most operations are successful and the patient progresses sm...

valid的音标：valid的英式发音音标为：['vælɪd]valid的美式发音音标为：['vælɪd]...

festival的近义词有：holiday, festival, vacation, leave。下面这些名词均有"假日，节日"的含义：holiday：指按规定不工作的各种假日，时间可长可短。在英国复数形式表示较长的假期。festival：指公众庆祝、欢度的节日。vacation：通常指时间较长的假期，如学校的寒暑假等。leave：主要指政府机关工作人员或军队人员获准的休假、假期。...

invaluable的反义词有：valuable, valueless, valueless。adj.invaluable的反义词（非常贵重的;无法估价,无价的）：valuable, valueless。invaluable的反义词（其他释义）：valueless。...

accusatival的音标：accusatival的英式发音音标为：[əˌkju:zə'taɪvəl]accusatival的美式发音音标为：[əˌkjuzə'taɪvəl]...

n.男子的贴身男仆，（旅馆中洗熨衣服的）侍者，伺候客人停车、用车的人，衣帽架vt.做贴身男仆，为…管理衣物，替…洗熨衣服vi.伺候，服侍，清洗（汽车）...

carnival的近义词/同义词有：fair, festival, jamboree, fete, circus, fair, entertainment, jamboree, festival, fete。n.carnival的近义词（嘉年华会;宴饮狂欢）：fair, festival, jamboree, fete。carnival的近义词（其他释义）：circus, fair, entertainment, jamboree, f...

cavalier的近义词/同义词有：horseman, knight, gentleman, chivalrous, escort, insolent, haughty, contemptuous, arrogant, lover, hero, contemptuous, bold, discourteous, gentleman, insolent, soldier, haughty, horseman, audacious, esc...

cavaliers的音标：cavaliers的英式发音音标为：[ˌkævə'lɪəz]cavaliers的美式发音音标为：[ˌkævə'lɪrz]...

equivalent的音标：equivalent的英式发音音标为：[ɪ'kwɪvələnt]equivalent的美式发音音标为：[ɪ'kwɪvələnt]...

equivalent的近义词/同义词有：replacement, rival, match, equal, like, substitute, counterpart, commensurate, coincident, like, coordinate, relative, same, option, twin, parallel, correspondent, analogous, equal, replacement, rival...

n.水龙头，水阀，液压开关...

rival的一般过去时为：rivalled...

valley的近义词/同义词有：glen, gorge, bottoms, river, chasm, gully, strath, hollow, cleft, dale, dell, concavity, ravine, canyon, basin, vale, low, gap, depression, gulch, land。n.valley的近义词（山谷,溪谷,深谷,峡谷,山涧）：glen, gorge, bottoms, r...

festival的复数形式为：festivals...

adj.售价过低的v.对（某人或某事物）评价过低，低估（某人或某事物）( undervalue的过去式和过去分词 )...

Valence的音标：Valence的英式发音音标为：['veɪləns]Valence的美式发音音标为：['veɪləns]...

The signs of an economic revival are only just beginning.经济复苏的迹象刚刚开始显现。He toured South Africa organizing revival meetings.他游历南非，组织奋兴布道会。There are encouraging signs of an artistic revival.出现了鼓舞人心的艺术复兴的迹象。...

valuable的近义词/同义词有：favourite, dear, prized, kept, guarded, worthy, commendable, beloved, valued, estimable, of, respect, admirable, priceless, fine, high-priced, rare, extraordinary, costly, a, worth, expensive, uncommon,...

The laboratory has designed, tested and evaluated a lightweight, low - yield fission device.该试验室设计, 试验和鉴定了一种轻巧 、 低当量的裂变装置.The rate of droplet growth under different conditions can be evaluated.可以计算在不同条件下的云滴增长率.The determ...

approval的音标：approval的英式发音音标为：[ə'pru:vl]approval的美式发音音标为：[ə'pruvəl]...

维瓦尔第（一个作曲家）...

divalent的音标：divalent的英式发音音标为：['daɪ'veɪlənt]divalent的美式发音音标为：[daɪ'veɪlənt]...

The research should prove invaluable in the study of linguistics.该调查研究在语言学研究领域的重要性应该会得到证实。The book is an invaluable aid to teachers of literature.这本书对于教授文学的老师来说帮助非常大。I was able to gain invaluable experience over that yea...

The Dragon Boat Festival is one of three major Chinese holidays, along with the Spring and Moon Festivals.端午节是三个中国主要节日之一，另两个是春节和中秋节。AT length , the Dragon - boat Festival came and went in an atmosphere of unrest.旧历端阳节终于在...

n.突变，剧变，[地]隆起，举起，抬起...

Many boys explode firecrackers on the Lantern Festival.许多男孩在元霄灯节燃放鞭炮.The party will be in Hong Kong for the Lantern Festival.该旅游团将在香港过元宵节.TheFestival finishes at the Lantern Festival after 2 weeks.新年在2周之后元霄节之时竣事....

adj.共有原子价的，共价的...