An unexpectedly large fraction of players acted altruistically to protect their weaker friends.远远超出人们的预料,有很大一部分玩家在游戏中无私地保护那些弱者朋友....

n.心脏修补术，心肌缝合术...

adj.（尤在正式场合）告别的，告辞的n.告别演说，告别辞，〈美〉毕业生代表的告别辞...

staphylococcus的音标：staphylococcus的英式发音音标为：[ˌstæfɪlə'kɒkəs]staphylococcus的美式发音音标为：[ˌstæfɪlə'kɑkəs]...

gerrymander的一般过去时为：gerrymandered...

flabby的最高级为：flabbiest...

adj.值得信赖的，可靠的，把稳，妥靠，信实...

silly的近义词有：foolish, silly, stupid, simple, dull。下面这些形容词都可表示"愚蠢的，笨的，傻的"的含义：foolish：一般指人的无头脑、愚蠢，或缺乏常识与判断力，或指行动的愚蠢可笑。silly：口语用词，可和foolish互换，但语气稍强。侧重指人的言行不合常规或不理智，强调单纯、低能和糊涂。stupid：多指人或行为的愚蠢，尤指先天智能低下，或因某种原因失去正常的反应或感觉。有时也可与si...

It makes her furious to see a good breed of sheep being treated cruelly.看到品种优良的羊受到残忍的对待, 她非常气愤。She couldn't bear to see animals treated cruelly.她不忍见动物受虐待。The Princess was cruelly cast aside when she failed to produc...

immunity的复数形式为：immunities...

heady的最高级为：headiest...

commentary的音标：commentary的英式发音音标为：['kɒməntri]commentary的美式发音音标为：['kɑmənteri]...

eyeballs的音标：...

易修整，可修整性...

balmy的音标：balmy的英式发音音标为：['bɑ:mi]balmy的美式发音音标为：['bɑmi]...

n.多聚物，[高分子] 聚合物...

There was a sandpit, a seesaw and a swing in the playground.游乐场上有一处沙坑、一块跷跷板和一个秋千架。This path leads slap to the playground.这条小路直接通到运动场。The teacher told his pupils to spread out and not to bunch up in the center of the play...

adv.实验（性）地，实际上，实际证明，通过实验，用实验方法...

Today, four main possibilities exist to put metal on a plastic surface adhesively.目前有4种方法可以将金属附着在塑料表面....

prissy的音标：prissy的英式发音音标为：['prɪsi]prissy的美式发音音标为：['prɪsi]...

v.演奏( play的过去式和过去分词 )，演出，参加比赛，捉弄...

buddy的现在完成时为：buddied...

boycott的一般过去时为：boycotted...

quietly的音标：quietly的英式发音音标为：['kwaɪətlɪ]quietly的美式发音音标为：['kwaɪətlɪ]...

laryngovestibulitis的音标：laryngovestibulitis的英式发音音标为：[lærɪŋɡʌ'vestɪbjʊlɪtɪz]laryngovestibulitis的美式发音音标为：[lærɪŋɡʌ'vestɪbjʊlɪtɪz]...

Dr. Williams instructs us in botany.威廉博士教我们植物学.The first of these in the field of botany were the herbals.在植物学领域,这些最早的著作是本草书.Medicine began to turn away from botany in the scientific revolution of the 17th and 18th centu...

defray的一般过去时为：defrayed...

He has been arrested by mistake.警方误抓了他。He opened Ingrid's letter by mistake.他不小心拆了英格丽德的信。She let the news slip by mistake , in an unguarded moment.她一不留神泄漏了消息....

Stoneware is fired at a high temperature to cause it to vitrify and harden.在高温下烧制瓷器以至其成玻璃状，变硬。...

inefficiency的复数形式为：inefficiencies...