unfasten的第三人称单数（三单）为：unfastens...

She fasts a day every week.她每周绝食一天.She fasts once every week, and she has lost ten pound.她每周绝食一次, 至今她的体重已减了十磅.He fasts one day a week for health reasons.为了健康的因素,他一周禁食一天....

He began unfastening his padded robe.他便动手解开棉袍的纽扣.She began unfastening the collar of her gown.她动手解她件长袍的领子....

fasten的近义词有：fasten, tie, bind, secure, chain。下面这些动词都有"扎牢，捆，绑"的含义：fasten：指把某物牢牢地拴在、钉在或锁在另一物上，使不能任意移动。tie：普通用词，指用绳索等将东西扎紧捆牢。bind：多指把两个或两个以上的人或物牢牢地系或扎在一起。secure：指将某物紧紧地固定起来，使之完全无损。chain：专指用链条或金属环将某人或某物锁住或系住。...

breakfasting的音标：...

fasten的现在进行时为：fastening...

吃早饭...

Megamalls and fast food restaurants line the highway system.公路系统沿线有大型商场和快餐店。Word has been spreading fast of the incidents on the streets.有关街头骚乱的消息迅速传播开来。The band was starting to play a fast, loud number.乐队奏起一首很大声的快歌。...

fastness的音标：fastness的英式发音音标为：['fɑ:stnəs]fastness的美式发音音标为：['fæstnəs]...

vt.解开（尤指衣服或带子），松开vi.解开，脱开，松开...

fasts的音标：...

handfast的音标：handfast的英式发音音标为：['hændfɑ:st]handfast的美式发音音标为：['hændˌfɑst]...

fasted的音标：...

n.婚约，抓牢...

They were impressed by his steadfast good cheer.他整天笑呵呵的样子给他们留下很深的印象。Her steadfast belief never left her for one moment.她坚定的信仰从未动摇过.He remained steadfast in his belief that he had done the right thing.他一直坚信自己做得对。...

Belfast的音标：Belfast的英式发音音标为：['belˌfæst, bel'fæst]Belfast的美式发音音标为：['bɛlˌfæst, bɛl'fæst]...

Builders must fasten down roofs of newly-built homes more securely.建造工人必须把新建房屋的屋顶固定得更牢靠些。They fasten with a drawstring.它们是用拉绳系紧的。Fasten your seatbelts, please.请系好安全带。...

n.拉链，滑扣...

fastening的音标：fastening的英式发音音标为：['fɑ:snɪŋ]fastening的美式发音音标为：['fæsnɪŋ]...

n.婚约，抓牢...

fast的现在进行时为：fasting...

Faster的音标：Faster的英式发音音标为：['fa:stə]Faster的美式发音音标为：['fastə]...

The train backed out of Adelaide Yard on to the Dublin-Belfast line.火车倒出了阿德莱德调车场，开上了都柏林-贝尔法斯特线。The Prime Minister insisted on going walkabout in Belfast.首相坚持要到贝尔法斯特民众中走动走动。Students at the Belfast campus have access to ex...

breakfast的现在完成时为：breakfasted...

fastigium的复数形式为：fastigia...

fasten的第三人称单数（三单）为：fastens...

Her steadfast belief never left her for one moment.她坚定的信仰从未动摇过.They were impressed by his steadfast good cheer...他整天笑呵呵的样子给他们留下很深的印象。He remained steadfast in his belief that he had done the right thing.他一直坚信自己做得对。They we...

airfast的音标：airfast的英式发音音标为：['eəfəst]airfast的美式发音音标为：['erfəst]...

They could have withdrawn into the mountain fastness of Eryri.他们本可退到山中要塞埃利里去。The rebels have withdrawn to their mountain fastness for the winter.叛军撤至他们的山寨过冬.We guarantee the fastness of these dyes.我们担保这些颜料不褪色....

n.速食，快餐...