rationals的音标：...

Composite resins are now widely used as filling materials for dental restorations.复合树脂在口腔临床中的应用已变得日益广泛.The bones were "mislaid" during the seventeenth-century restorations.这些骨头在17世纪的修复工作中被“放错了位置”。The palace is closed dur...

n.满期，截止，呼气，（气的）呼出...

A new appraisal method about microtitration has been suggested.建议了一种新的评价微量滴定分析可靠性的方法.CV of microtitration is in a range 1.25 % ～2.89 %.微量滴定法变异系数CV为1.25%-2.89%.Objective To evaluate diagnostic value of anti DNase B microt...

The amplitude of the vibration determines the loudness of the sound.振动幅度的大小决定声音的大小.There is so much vibration on a ship that one cannot write.船上的震动大得使人无法书写.The vibration of the window woke me up.窗子的震动把我惊醒了....

separation的音标：separation的英式发音音标为：[ˌsepə'reɪʃn]separation的美式发音音标为：[ˌsɛpə'reʃən]...

The pulmonary migration of larvae is associated with fever, cough, occasionally hemoptysis.蛔蚴肺部移行,可伴有发热 、 咳嗽 、 偶尔咯血.the seasonal migration of birds鸟的季节性迁徙On migrated sections migration noise can become the equivalent lim...

生效...

n.脱[排，除]气（法），脱泡（作用），除气...

concentration的反义词有：distraction, distraction。n.concentration的反义词（集中;专心）：distraction。concentration的反义词（其他释义）：distraction。...

deliberation的音标：deliberation的英式发音音标为：[dɪˌlɪbə'reɪʃn]deliberation的美式发音音标为：[dɪˌlɪbə'reʃən]...

the International Tennis Federation国际网球联合会the state's eventual separation from the federation那个州最终与联邦的脱离It is a federation of 10 regional unions.它是由十个地方工会结合成的联合会....

circumgyration的音标：circumgyration的英式发音音标为：[ˌsɜ:kəmdʒaɪ'reɪʃən]circumgyration的美式发音音标为：[ˌsɜkəmdʒaɪ'reɪʃən]...

bioaeration的音标：bioaeration的英式发音音标为：[bi:əʊeə'reɪʃn]bioaeration的美式发音音标为：[bioʊer'reɪʃn]...

rationale的音标：rationale的英式发音音标为：[ˌræʃə'nɑ:l]rationale的美式发音音标为：[ˌræʃə'næl]...

n.新星形成，越星过程...

n.庆祝，庆祝会（仪式），颂扬...

地球物理勘探...

illustration的复数形式为：illustrations...

irrational的反义词有：rational, rational。adj.irrational的反义词（不合理的;无理性的）：rational。irrational的反义词（其他释义）：rational。...

n.不正确维护，不正确操作...

vt.使合理化，据理解释，使消根，文饰...

Above the first floor was an irrational collection of towers, turrets and attics.二楼上面修建了不合格局的塔楼 、 角楼和阁楼....an irrational fear of science.对科学的莫名恐惧The promise of a cure — the pot of gold at the end of the rainbow — often m...

electromigration的音标：electromigration的英式发音音标为：[elektrəʊmɪɡ'reɪʃn]electromigration的美式发音音标为：[elektroʊmɪɡ'reɪʃn]...

These generally involve a first , more or less mild cooking stage followed by mechanical defibration.这通常包括让开始条件温和一些,然后进一步使用机械方法成浆....

n.持续，持续的时间，期间，（时间的）持续，持久，连续，[语音学]音长，音延...

n.定量，配给量，口粮，合理的量，正常量vt.限量供应，配给供应，给与…一天口粮，供给（兵士）伙食，限定（粮食等）...

The new airport is now fully operational .新机场现在可全面投入运营。Operational Research is a newly emerging subject.运筹学是一门新兴的学科.The airport did not become operational until May.机场到五月才可使用....

Rationing had put an end to a surfeit of biscuits long ago.定量供应很久以前就结束了饼干过剩的状况。As a hangover from rationing, they mixed butter and margarine.作为食品配给制的一种遗留影响，他们总把黄油和人造黄油混在一起吃。It reckons that rationing would ossify the farm...

administration的复数形式为：administrations...