sign的一般过去时怎么写？

sign的现在完成时为：signed...

sign的近义词/同义词有：gesture, indicate, signal, wave, motion, mark, seal, initial, endorse, badge, signal, token, emblem, symptom, gesture, omen, symbol, gesture, wave, portent, initial, clue, signify, indicate, autograph, warn...

sign的近义词有：groan, moan, sigh, sob,symbol, badge, sign, signal, mark, token, attribute, emblem。下面这些名词(动词)均有"叹息声，叹息"的含义：groan：侧重指因受到难忍受的精神负担或强烈的痛苦等而发出沉重的呻吟，也指显示强烈不满的叹息声。moan语气比groan强，多指拉长的或连续的悲叹(声)或呻吟(声)。sigh：多指无意识地发出表示沮丧、悲...

sign的音标：sign的英式发音音标为：[saɪn]sign的美式发音音标为：[saɪn]...

sign的第三人称单数（三单）为：signs...

Anestrus ( absence of estrus ) is not a disease but a sign of a variety of conditions.乏情不是一种疾病,而是一种多方面的体态迹象.I had to sign on the dole on Monday.我只好于星期一办理了领取失业救济金的登记。Guests are returning in increasing numbers — a sure sig...

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sign的现在进行时为：signing...

The priest made the sign of the cross over him.神父在他上方画了个十字。Her son used sign language to tell her what happened.她儿子用手语告诉她发生了什么事。O.K. I'll sign off. We'll talk at the beginning of the week.好，就说到这儿吧，下周初我们再谈。...

sign的复数形式为：signs...

他的研究揭示了 “ 给予者的快乐 ” 这种说法.His research reveals a " helper's high. "我已经认识到最终, “ 接受者”失败而 “ 给予者”成功.I've learned that ultimately,'takers'lose and'givers'win.您是否此帐户唯一交易指令给予者?Are you only for giving...

别担心，我们会很快把你从这儿弄出去的。Don't worry. We'll have you out of here double-quick.我把1亿美元藏到了一个永远没人会找到的地方。I have $100m hidden away where no one will ever find it.他把聪明都用在了犯罪上，太可惜了。Too bad he used his intelligence for crimin...

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为长江和钱塘江下游泥沙堰塞古海湾而成.For the lower reaches of the Yangtze River and River sediment from the Gulf Sekou weir....

n.崇高，庄严，气质高尚...

I'd like to know what else needs clarifying.我想知道还有什么需要澄清.There are considerable difficulties in clarifying the procedures appropriate for testing such assertions.要说清楚适宜于检验这种主张的程序是相当困难的.For best results, use after Fa...

...the British aero-engine maker, Rolls-Royce.英国飞机引擎制造商，罗尔斯-罗伊斯This is the Rolls-Royce of canoes.这是独木舟中的极品。He drove a Rolls-Royce with a personalised number plate.他开一辆个性车牌的劳斯莱斯。Royce Hall was an exact replica of the basi...

He's a real Dorian Gray, apparently untouched by the ageing process.他像是不受衰老过程的影响，青春永驻。Dorian murmured a graceful compliment and looked round the room.道林低声说了句得体的客套话,朝四周打量了一下.The two men's eyes met. In Dorian...

n.伯爵，领土...

alipamide的音标：alipamide的英式发音音标为：[ælɪpə'maɪd]alipamide的美式发音音标为：[ælɪpə'maɪd]...

电导性...

hashslinger的音标：hashslinger的英式发音音标为：['hæʃslɪŋgə]hashslinger的美式发音音标为：['hæʃˌslɪŋə]...

retrain的音标：retrain的英式发音音标为：[ˌri:'treɪn]retrain的美式发音音标为：[ri'tren]...

“消元式”的英语可以翻译为：eliminant，resultant ...

n.马斯里奇特阶...