Disperse dyes are suitable for dyeing PU fiber, high uptake and satis factory fastnesses were observed.分散染料是氨纶染色的理想染料, 它具有较高的上染率和较好的染色牢度....

fastest的音标：fastest的英式发音音标为：['fɑ:stɪst]fastest的美式发音音标为：['fɑstɪst]...

He glowered and glared, but she steadfastly refused to look his way.他怒目而视，但是她铁了心不肯朝他这边看。She steadfastly refused to look his way.她坚决拒绝朝他那边看。She steadfastly maintained that her grandsons were innocent, and nothing could di...

fast的近义词有：fast, quick, rapid, swift, hasty, prompt, speedy, instant。下面这几个形容词都有"快，迅速"的含义：fast：常指人或物持续地高速运动，强调运动的方式。quick：特指瞬时动作，强调动作敏捷迅速；也指匆忙的行为，而不暗示速度很快。rapid比fast和quick正式，常指运动本身，侧重速度惊人。所指动作可能是短暂的，也可能是持续的。swift：正式用词，强调非常...

adj.不褪色的...

colourfast的音标：colourfast的英式发音音标为：['kʌləfɑ:st]colourfast的美式发音音标为：['kʌləfɑst]...

vt.解开（尤指衣服或带子），松开vi.解开，脱开，松开...

hold fast to的音标：hold fast to的英式发音音标为：[həuld fɑ:st tu:]hold fast to的美式发音音标为：[hold fæst tu]...

n.尖顶，屋脊，山墙，高峰期...

handfasting的音标：handfasting的英式发音音标为：['hændfɑ:stɪŋ]handfasting的美式发音音标为：['hændˌfɑstɪŋ]...

fasten的一般过去时为：fastened...

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...

n.紧握，钉子，钩子，夹钳...

He glowered and glared, but she steadfastly refused to look his way.他怒目而视，但是她铁了心不肯朝他这边看。She steadfastly refused to look his way.她坚决拒绝朝他那边看。She steadfastly maintained that her grandsons were innocent, and nothing could di...

fastening的复数形式为：fastenings...

Can you unfasten the lock catch of a box?你能解开箱子的锁扣 吗 ?Do not unfasten the seatbelt before the plane stops completely.在飞机纯粹停止前,不要松开安全带.When Ted was six we decided that he needed to know how to fasten and unfasten his seat...

fast的现在完成时为：fasted...

bellfast的音标：bellfast的英式发音音标为：['belfɑ:st]bellfast的美式发音音标为：['belfɑst]...

n.牢固，固定，要塞，堡垒...

The red lachien we prepared exhibited superior colorfast tness under light exposure.自制之红色蜡笺有优异的耐光性.Is this frame anticorrosive and colorfast?这种框架容易腐蚀和褪色 吗 ?Is your dress colorfast?您的衣服是不褪色的 吗 ?...

unfasten的现在完成时为：unfastened...

fastopen的音标：fastopen的英式发音音标为：['fɑ:stəʊpen]fastopen的美式发音音标为：['fɑstoʊpen]...

[计] 快速查询...

fastnesses的音标：...

He called the zipper a slide fastener.他把拉链叫做滑动的纽扣....

fasting的音标：fasting的英式发音音标为：['fɑ:stɪŋ]fasting的美式发音音标为：['fɑstɪŋ]...

v.解开（尤指衣服或带子）( unfasten的过去式和过去分词 )，松开，解开，脱开，松开...

抗砷的...

have breakfast的音标：have breakfast的英式发音音标为：[hæv 'brekfəst]have breakfast的美式发音音标为：[hæv 'brɛkfəst]...

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....