derived from的音标：...

All slanders and libels should be repudiated.一切诬蔑不实之词,应予推倒.I'll not listen to your slanders.我不要听你这些诽谤.His reputation has been tarnished by their slanders.他的名誉因他们的中伤而受玷污....

powder的一般过去时为：powdered...

The gas had apparently leaked from a cylinder.气体似乎由一汽缸漏出。a propane gas cylinder丙烷气钢瓶The mixture is fed into the cylinder from the carburettor.混合体由汽化器注入汽缸....

The pair surrendered to him like lambs.那两个人乖乖地向他投降。She gradually surrendered her dream of becoming an actress.她渐渐放弃了当演员的梦想.These patriots would fight to death before they surrendered.这些爱国者宁愿战斗到死,也不愿投降....

embroidery的近义词/同义词有：cross-stitch, needlework, needlepoint, coloring, embellishment, exaggeration, decoration。n.embroidery的近义词（刺绣,绣花）：cross-stitch, needlework, needlepoint。embroidery的近义词（粉饰,润色）：coloring, embellishment。emb...

underestimate的现在完成时为：underestimated...

New recruits have been undergoing training in recent weeks.最近几周，新兵正在接受训练。This powerful drug is used to tranquilize patients undergoing surgery.这种强效药剂被用来麻醉手术病人。The runway of this airport is undergoing expansion to accommo...

powder的第三人称单数（三单）为：powders...

confederate的现在进行时为：confederating...

dermochrome的音标：dermochrome的英式发音音标为：['dɜ:məʊkrəʊm]dermochrome的美式发音音标为：['dɜmoʊkroʊm]...

v.在…下面画线( underline的过去式和过去分词 )，加强，强调...

murder的近义词/同义词有：make, spoil, botch, muff, ruin, butcher, a, mar, mess, massacre, eliminate, slaughter, assassinate, kill, liquidate, muff, eliminate, silence, slaughter, ruin, manslaughter, assassinate, destruction, spoi...

shudder的音标：shudder的英式发音音标为：['ʃʌdə(r)]shudder的美式发音音标为：['ʃʌdɚ]...

n.创始人( founder的名词复数 )...

border的反义词有：inside, interior, please, delight, amuse。n.border的反义词（边缘;边界;边境）：inside, interior。border的反义词（其他释义）：please, delight, amuse。...

plunder的现在完成时为：plundered...

The visitor can ponder over the boomerangs used by aborigines at the time of Cook.来访者可以琢磨琢磨土著人在库克时期用的回飞镖.They would do well to pause and ponder upon their new responsibilities.人们最好还是停一停,好好地想一想自己所负的新责任.You should pause an...

Such conduct will be derogatory to his reputation.那样的行为将会毁损他的名誉.He had drawn a derogatory statement from George.他已经逗出乔治一句毁贬的话.derogatory remarks贬责的话He refused to withdraw derogatory remarks made about his boss.他拒绝收回那些贬损老...

leaderships的音标：...

v.取笑，嘲笑( deride的现在分词 )...

cholesteroderma的音标：cholesteroderma的英式发音音标为：[kɒlest'rəʊdəmə]cholesteroderma的美式发音音标为：[kɒlest'roʊdəmə]...

pander的现在完成时为：pandered...

leucoderma的音标：leucoderma的英式发音音标为：[lju:kəʊ'dɜ:mə]leucoderma的美式发音音标为：[ljukoʊ'dɜmə]...

wonder的复数形式为：wonders...

keratodermatosis的音标：keratodermatosis的英式发音音标为：[kereɪtəʊdɜ:mə'təʊsɪs]keratodermatosis的美式发音音标为：[kereɪtoʊdɜmə'toʊsɪs]...

Fans may undergo body searches by security guards.球迷可能要接受保安人员的搜身检查。to undergo minor surgery做小手术The planes have to undergo rigorous safety checks.飞机必须经过严密的安全检查....

beholder的音标：beholder的英式发音音标为：[bɪ'həʊldə(r)]beholder的美式发音音标为：[bɪ'hoʊldə(r)]...

federal的音标：federal的英式发音音标为：['fedərəl]federal的美式发音音标为：['fɛdərəl, 'fɛdrəl]...

Dermatobia的音标：...