invalidating的音标：...

Biotechnology in Health Care another 11 approvals were granted for expanded uses of existing biotech medicines.另外批准的11项旨在扩大现有生物技术药物的用途.Still, the number of new drug approvals has fallen near historic lows.但通过的新药数量还是逼近了历史...

valuable的近义词有：valuable, precious。下面这两个形容词均含"贵重的，有价值的"的含义：valuable：指有相当价值，可高价出售的，或有用、有益的东西。precious：指因稀罕、不易得到而很值钱，或因本身的品质而具有极大的价值。...

retrieval的音标：retrieval的英式发音音标为：[rɪ'tri:vl]retrieval的美式发音音标为：[rɪ'trivəl]...

异戊醛...

valuations的音标：...

n.（尤在正式场合）告别的，告辞的( valedictory的名词复数 )...

gingival的音标：gingival的英式发音音标为：[dʒɪn'dʒaɪvəl]gingival的美式发音音标为：[dʒɪn'dʒaɪvəl]...

v.对…估价过高( overvalue的过去式和过去分词 )，对…看得过重...

convalesce的现在进行时为：convalescing...

瓣膜间的...

Last November the commission gave its stamp of approval to the deal.去年11月，委员会核准了这宗交易。A roar of approval resounded through the Ukrainian parliament.一片赞成声在乌克兰议会中回响。At this point there were murmurings of approval from the e...

n.复活( revival的名词复数 )，再生，复兴，（老戏多年后）重新上演...

validate的反义词有：nullify, invalidate, invalidate。vt.validate的反义词（使有效）：nullify, invalidate。validate的反义词（其他释义）：invalidate。...

The sunset rivalled the sunrise in beauty.日落与日出的景色一样美.A green - technology industry is budding — rivalled by Denver, Boston and, of course, California.面对其竞争者丹佛市, 波士顿, 当然还有加利福尼亚,绿色科技产业正在这里慢慢兴起.Dr Drummond felt that he had...

medievalize的音标：medievalize的英式发音音标为：[medɪ'i:vəlaɪz]medievalize的美式发音音标为：[medɪ'ivəlaɪz]...

n.幸存，生存( survival的名词复数 )，残存的人[物]，遗物，遗风...

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）...

convalesce的一般过去时为：convalesced...

Intelligence cannot be overvalued.智力是无比重要的。The contributed items may not be overvalued or undervalued.不得高估或者低估作价.Buying any shares that are overvalued is fraught with danger.购买任何被高估的股票,是充满危险的....

The ship was buried, beyond retrieval, at the bottom of the sea.船已葬身海底，无法打捞。Its real purpose is the launching and retrieval of small aeroplanes in flight.它真正的用途是发射和收回飞行中的小型飞机。A special retrieval team arrived from Washing...

The industry is coeval with the construction of the first railways.这一产业和初期铁路的建造相伴而生。...

v.使（货币）贬值( devalue的过去式和过去分词 )，降低（某事物）的价值，贬低...

n.同意，批准，赞成...

bivalvular的音标：bivalvular的英式发音音标为：[baɪvælvjʊ'lər]bivalvular的美式发音音标为：[baɪvælvjʊ'lər]...

maxivalence的音标：maxivalence的英式发音音标为：[mæk'saɪvələns]maxivalence的美式发音音标为：[mæk'saɪvələns]...

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。...

naval的音标：naval的英式发音音标为：['neɪvl]naval的美式发音音标为：['nevəl]...

That would make the competition between rival suppliers even deadlier.那将使得对立供应商之间的竞争更加你死我活。Neither he nor his arch-rival, Giuseppe De Rita, won.他和他的死对头朱塞佩·德里察双双落败。Their smaller rival is battling to end their duopoly.规模更小...

n.无效，失效...