n.承诺，许诺，委任，委托，致力，献身，承担义务...

The emphasis is on developing fitness through exercises and training.重点在于通过锻炼促进健康。There is a debate about his fitness for the highest office.针对他是否能胜任最高职务展开了争论。I'd like to join an aerobics class to improve my fitness...

adj.权威的，有权力的，当局的，命令式的...

zenith的近义词/同义词有：vertex, crest, crown, summit, top, pinnacle, acme, peak, tip, apex, crest, summit, pinnacle, peak, altitude, apex, glory, prime, acme, top, tip, crown。n.zenith的近义词（天顶;顶点;全盛时期）：vertex, crest, crown, summit...

kolbeckite的音标：kolbeckite的英式发音音标为：['kəʊlbekaɪt]kolbeckite的美式发音音标为：['koʊlbekaɪt]...

n.铈硅石...

关于， （至于）谈到...

adj.易激动的，轻佻的...

n.后节...

Gypsum and halite are simply thinned or removed altogether.石膏与岩盐则逐渐变薄或完全被溶解掉....

vt.使进入，插入...

bitin的音标：bitin的英式发音音标为：[baɪ'ti:n]bitin的美式发音音标为：[baɪ'tin]...

铜铅铁矾...

tangle with的音标：tangle with的英式发音音标为：['tæŋɡl wið]tangle with的美式发音音标为：['tæŋɡəl wɪð]...

n.专门研究( speciality的名词复数 )，专业，特制品，特产...

n.不能制胜，不能克服...

a shortage of munitions军需品缺乏The army used precision - guided munitions to blow up enemy targets.军队用精确瞄准的枪炮炸掉敌方目标.Allied M 8 Armored Car Armor upgrade Munitions cost reduced by 25.美军M8装甲车的装甲升级所需弹药资源减少25....

n.城市，全市居民，（由国王或女王授予特权，通常有大教堂的）特许市，（由政府授予特权的）特权市...

n.单位，[药剂学]（药物、疫苗、血清、抗原等的）单位( unit的名词复数 )，装置，一件（商品），（栋公寓大楼中的一套公寓）单元...

The long-range goal must be to do away with nuclear weapons altogether.远期目标必须是将核武器尽数销毁。That city has decided to do away with overhead wires.那个城市决定取消架在空中的电线.We are developing nuclear weapons to do away with such weapons.我...

But not every automatic circuit yields the ironclad instantaneity that Bill Power's gun barrel enjoyed.不过,不是每一种自动电路都能产生比尔·鲍尔斯的那种炮管所拥有的铁一样的即时性....

n.小组委员会，下属委员会...

B 311 lithopone: white paint, zinc sulfide content of 30 %.B311立德粉: 白色颜料, 硫化锌含量为30%.Lithopone: B 301 lithopone: white paint, zinc sulfide content of 28 percent.立德粉: B301立德粉: 白色颜料 、 硫化锌含量为28%.Purpose: Mainly used in litho...

magnitude的复数形式为：magnitudes...

Inspection the structure and loading test of the lifeboat ( Rescue boat ) davit.救生 ( 助 ) 艇吊架结构和压重试验.Suez Canal searchlight, but socket and davit to be supplied by builder.苏伊士运河探照灯, 但插座和吊柱由建造方提供.The strength test for davi...

on an equal base with的音标：on an equal base with的英式发音音标为：[ɔn æn 'i:kwəl beis wið]on an equal base with的美式发音音标为：[ɑn ən 'ikwəl bes wɪð]...

monolithic的音标：monolithic的英式发音音标为：[ˌmɒnə'lɪθɪk]monolithic的美式发音音标为：[ˌmɑnə'lɪθɪk]...

posterity的反义词有：ancestry。n.posterity的反义词（子孙;后世;后裔）：ancestry。...

jittery的音标：jittery的英式发音音标为：['dʒɪtəri]jittery的美式发音音标为：['dʒɪtərɪ]...

vi.犹豫不决，发抖，颤抖n.发抖，颤抖，慌乱，高频振脉动...