sign的一般过去时怎么写？

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sign的现在进行时为：signing...

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

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...

sign的复数形式为：signs...

sign的现在完成时为：signed...

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...

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的第三人称单数（三单）为：signs...

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...

biorbital的音标：biorbital的英式发音音标为：['baɪəbɪtl]biorbital的美式发音音标为：['baɪəbɪtl]...

fright的近义词有：alarm, fear, fright, horror, panic, terror, dread。下面这些名词均含"恐惧，惧怕，惊恐"的含义：alarm ：强调突然意识到有危险而产生的恐惧心理。fear ：普通用词，侧重指面临危险或灾祸时内心所引起的恐惧心情。fright ：通常指一阵突然的、令人震惊的短暂恐惧，有时含夸张意味。horror ：侧重指因看到令人讨厌或危险的东西或情景而引起的厌恶情绪、极度恐惧心情...

Joseph watched a shady-looking bunch playing cards aboard a Mississippi steamer.约瑟夫看到一群可疑的人在密西西比河的一艘轮船上打牌。His eldest son Joseph carried on his father's traditions.他的长子约瑟夫继承了乃父的传统。Joseph made sure that he was never p...

generalize的现在进行时为：generalizing...

sculpted的音标：...

n.酬报，偿还，酬金，工资...

n.芙蓉铀矿...

All her remarks were greeted with acclamation.她所有的话都得到喝彩。The decision was taken by acclamation .该决议是经口头表决而作出的。At first it looked like I was going to win by acclamation.起初看起来我会以口头表决的方式获胜。The news was greeted with consider...

electrofusion的音标：electrofusion的英式发音音标为：[elektrɒf'ju:ʒn]electrofusion的美式发音音标为：[elektrɒf'juʒn]...

“酶的”的英语可以翻译为：enzymatic，enzymic，fermental，zymic ...

Abjective: Take example for Berberine Hydrochloride, compare titration method with TLC - method.目的: 以盐酸小檗碱为例, 比较滴定法和薄层色谱法....

terrorism的音标：terrorism的英式发音音标为：['terərɪzəm]terrorism的美式发音音标为：['tɛrəˌrɪzəm]...

modelling的音标：modelling的英式发音音标为：['mɒdəlɪŋ]modelling的美式发音音标为：['mɑːdəlɪŋ]...

alkylation的音标：alkylation的英式发音音标为：[ˌælkɪ'leɪʃən]alkylation的美式发音音标为：[ˌælkɪ'leɪʃən]...

coliseum的音标：coliseum的英式发音音标为：[ˌkɒlɪ'sɪəm]coliseum的美式发音音标为：[ˌkɒlɪ'siəm]...