Co-operation was more than just an attractive option, it was an obligation.合作不仅仅是诱人的选择，它也是一种责任。When teachers assign homework, students usually feel an obligation to do it.当老师布置家庭作业的时候，学生们通常觉得做作业是分内之事。You are under no obl...

n.波特兰（美国俄勒冈西北部港市）...

concerned的音标：concerned的英式发音音标为：[kən'sɜ:nd]concerned的美式发音音标为：[kən'sɜrnd]...

n.前脑，壮年人发达的脑部...

phenomenon的复数形式为：phenomena...

toward的音标：toward的英式发音音标为：[tə'wɔ:d]toward的美式发音音标为：[tə'wɒrd]...

Product Name: chemical sheet Characteristics: Strong glutinosity, no leafing will be happened after fit.产品名称: 化学片产品特点: 粘性强,粘合后不分层....

The property of the coating is identical with electroplating Zn - Ni alloy coating in ammoniate.研制成功一种钾盐无援电镀锌 - 镍合金新工艺....

adj.光敏的，感光的...

electrolytically的音标：electrolytically的英式发音音标为：[elektrəʊ'lɪtɪklɪ]electrolytically的美式发音音标为：[elektroʊ'lɪtɪklɪ]...

radiology的音标：radiology的英式发音音标为：[ˌreɪdi'ɒlədʒi]radiology的美式发音音标为：[ˌreɪdi'ɑlədʒi]...

He plays some passages so slowly that they become lugubrious.有些段落他演奏得异常徐缓，听上去有些忧伤。McKay walked slowly toward this screen, feeling a growing tenseness.麦凯缓缓地朝这个屏幕走来，每走一步心情都更加紧张。He talks quite slowly and spaces his words ou...

He is forever croaking about his problems.他老是为他那些问题发牢骚.Someone likened his voice to the croaking of a bull - frog.有人把他的声音比作牛蛙的叫声.I could hear croaking of the frogs .我能听到青蛙呱呱的叫声。the croaking of frogs蛙鸣Put in April and May...

symbol的近义词有：symbol, badge, sign, signal, mark, token, attribute, emblem。下面这些名词均含"标志，象征，符号"的含义：symbol：指作象征或表达某种深邃意蕴的特殊事物。badge：一般指金属证章或写有姓名的带状标志物。sign：普通用词，指人们公认事物的记号，也可指某种情况的征兆。 signal：指为某一目的而有意发出的信号。mark：普通用词，含义广泛。既可指方便...

He was transferred to Shoal Creek Mental Institution for an indefinite period.他被转到了肖尔溪精神病院，要在那里无限期地呆下去。A shoal of fish will do this.鱼群也会反射声音的.The boat struck a shoal and fetched up all standing.那艘船撞上浅滩突然停了下来。...

groan的近义词/同义词有：moan, howl, sound, harsh, wail, moan, howl, sigh, wail, kick。vi.groan的近义词（呻吟;呜咽）：moan, howl, sound, harsh, wail。groan的近义词（其他释义）：moan, howl, sigh, wail, kick。...

v.使成乌木色，使像乌木( ebonize的现在分词 )...

doeth的音标：doeth的英式发音音标为：['du:ɪθ]doeth的美式发音音标为：['duɪθ]...

debonaire的音标：debonaire的英式发音音标为：[debə'neər]debonaire的美式发音音标为：[debə'ner]...

异橄榄脂素...

hyponatruria的音标：hyponatruria的英式发音音标为：[haɪpəʊnət'rʊərɪə]hyponatruria的美式发音音标为：[haɪpoʊnət'rʊərɪr]...

regional的音标：regional的英式发音音标为：['ri:dʒənl]regional的美式发音音标为：['ridʒənəl]...

tolerance的音标：tolerance的英式发音音标为：['tɒlərəns]tolerance的美式发音音标为：['tɑlərəns]...

小动脉硬化...

n.西蒙（男子名）...

And if bolder measures were necessary, she would take them.如果需要更加大胆的办法呢?她也乐意采用.Later we got bolder and developed a more aggressive approach.后来,我们越来越大胆,并且想出了一些声势盛大的宣传.Nothing truly makes a bolder heart than a light consci...

above的近义词有：above, on, over。下面这些前置词均含"在……上"的含义：above ：一般指位置高于某物，但不一定在正上方，也不接触另一物，其反义词是below。on ：指与另一物表面相接触。over ：指一物在另一物的垂直上方，多暗示悬空，但也含"覆盖于……之上"之意。其反义词是under。...

adenectomy的音标：adenectomy的英式发音音标为：[ˌædə'nektəmɪ]adenectomy的美式发音音标为：[ˌædə'nektəmɪ]...

adj.顶生的...

fireproof的第三人称单数（三单）为：fireproofs...