Last they saw of him, he was hightail down the steet.上次他们看见他的时候他正在街上赶紧地走避他们.After school, he would hightail it home.放学后, 他很快地跑回家.John, hightail down to the station and see if your daddy's on the train.约翰, 快跑去火车站看看你爹...

horsetail的音标：horsetail的英式发音音标为：['hɔ:steɪl]horsetail的美式发音音标为：['hɔsteɪl]...

metainstruction的音标：metainstruction的英式发音音标为：[meteɪnst'rʌkʃn]metainstruction的美式发音音标为：[meteɪnst'rʌkʃn]...

entertained的音标：...

v.摇摆尾翼而减缓飞行速度( fishtail的现在分词 )...

curtailed的音标：...

backstair的音标：backstair的英式发音音标为：['bækˌster]backstair的美式发音音标为：['bækˌster]...

sustain的近义词/同义词有：bear, suffer, stand, endure, abide, tolerate, support, maintain, keep, up, bear, stand, abide, uphold, float, shoulder, nourish, back, keep, befriend, suffer, maintain, dare, nurse, justify, support, up,...

v.戒（尤指酒），戒除( abstain的第三人称单数 )，弃权（不投票）...

cocktail的音标：cocktail的英式发音音标为：['kɒkteɪl]cocktail的美式发音音标为：['kɑkteɪl]...

entertain的现在进行时为：entertaining...

detail的音标：detail的英式发音音标为：['di:teɪl]detail的美式发音音标为：[dɪ'teɪl]...

I wouldn't entertain the idea of such an unsociable job.我不会考虑从事这种不跟人打交道的工作。I feel how foolish I am to entertain doubts.我竟然心存怀疑，真是太愚蠢了。Michael left his sickbed to entertain his house guests.迈克尔走下病床去招待客人。...

entail的第三人称单数（三单）为：entails...

detail的现在进行时为：detailing...

detail的现在完成时为：detailed...

obtainable的反义词有：unobtainable。adj.obtainable的反义词（可获得的）：unobtainable。...

He let her remove his coat, and she saw the bloodstains.他让她脱下他的外衣, 她发现了血迹.Do you know how hard it is to wash bloodstains off a car these days?你知道这几天要把血迹从车上洗掉有多难 吗 ?The sermon also mentions bloodstains from a wound in the...

retain的现在完成时为：retained...

He had retained a keen interest in the progress of the work.他对那项工作的进展一直很关心。She retained a number of copies for further annotation.她保留了许多副本以便作进一步的注解。Gary Kasparov has retained his title as world chess champion.加雷·卡斯帕罗夫卫冕了...

n.详细资料，详述( detail的名词复数 )，（照片、绘画等的）细部，细目，各种细节...

ascertain的现在完成时为：ascertained...

Even among seasoned mountaineers Pinnacle Ridge is considered quite a tough proposition.即使在经验丰富的登山者中，平纳克尔峰也被认为是很难攀登的。The mountaineers bartered between each other.山民们彼此以货易货.The mountaineers did not begin to come down the ...

upstairs的音标：upstairs的英式发音音标为：[ˌʌp'steəz]upstairs的美式发音音标为：[ˌʌp'sterz]...

A dark red stain was spreading across his shirt.一块深红色的污渍正在他的衬衫上渗开。She couldn't rub off the blood stain on her blouse.她没法将上衣的血渍擦掉.The damp rising from the ground caused the walls to stain badly.地面上升起的湿气使墙壁的颜色变得很难看....

maintain的第三人称单数（三单）为：maintains...

Top-ranking sumo wrestlers attain superstar status.顶尖的相扑选手可获得超级明星的地位。The cheetah can attain speeds of up to 97 kph.猎豹的奔跑速度每小时可达97公里.The day is not far off when China will attain prosperity.中国的兴盛是可以计日程功的....

abstainer的复数形式为：abstainers...

n.铵石膏...

The psychiatrist must learn to maintain an unusual degree of objectivity.精神科医生务必要学会保持超乎寻常的客观态度。She could not maintain her balance and moved in a wobbly fashion.她无法保持平衡，走路颤颤巍巍。His critics maintain that he's responsib...