avail的现在完成时怎么写？

avail的音标：avail的英式发音音标为：[ə'veɪl]avail的美式发音音标为：[ə'vel]...

n.效用，利益vt.& vi.有益于，有益于，使对某人有利...

avail的近义词有：avail, benefit, profit,use, apply, employ, utilize, avail, exploit。下面这些动词均含有"有益于，有益"的含义：avail ：较文雅，常见于历史小说、演说或讲道中，较少用于日常话语，侧重功效或效力。benefit ：通常既可指个人情况(如身体、智力或精神状态等)的好转或改善，又可指对实现某个目标等带来的好处。 profit ：着重于物质方面的受益，常用...

avail的近义词/同义词有：service, advantage, worth, value, benefit, profit, gain, use, help, advantage, worth, assistance, utilize, convenience, befriend, profit, use, service, sake, value, benefit, help, utility。n.avail的近义词（效用;利益...

His efforts were to no avail.他徒劳无功。We tried to keep him alive but to no avail.我们全力抢救他,但却徒劳无功.They tried artificial respiration but it was of no avail.他们试做人工呼吸,可是无效....

avail的复数形式为：avails...

With of water Qujiu a car Zhao Lehuo of fuelwood, the metaphor of no avail.用一杯水去救一车着了火的柴草, 比喻无济于事.He had the duty receptionist almost jumping through hoops for him. But to no avail.值班的接待员几乎为他费尽了力气，但还是没用。The speediest suc...

avail的第三人称单数（三单）为：avails...

avail的现在进行时为：availing...

avail的一般过去时为：availed...

ken的现在进行时为：kenning...

n.针( needle的名词复数 )，松针，指针，唱针...

degrade的一般过去时为：degraded...

“哑的”的英语可以翻译为：dumb，mute，[医] alalic，tongueless，toneless ...

"It's okay now," he said reassuringly.“现在好了，”他安慰说。He squeezed her arm reassuringly.他安慰地捏了捏她的胳膊。He patted her knee reassuringly.他轻拍她的膝盖让她放心....

“几十”的英语可以翻译为：dozens of; scores of...

BCD dial is commonly usedin intelligentinstrumentand microeomputer controlled unit.BCD码拨盘是智能仪表和微机控制装置常用的数字设备.BCD with 16 band into the compilation process, quite good.BCD码与16进制转化的汇编程序, 比较不错.Begin - B - BCD - Check adjust...

“蜱总科”的英语可以翻译为：[医] Ixodoidea ...

n.（河面上）漂浮原木造成的阻塞，（因事情太多造成的）困境，僵局...

delinquent的复数形式为：delinquents...

日子一天天过去，花粉干结成了硬块。As the day goes on, the pollen dries up and becomes hard.我在一天天地好转。Day by day I am getting better and better.这类事件天天发生。Events of this description occurred daily....

Jack knife has hebetated, can you help me to grind it?杰克,菜刀变钝了, 能帮我磨一下 吗 ?Mills of God grind slowly but sure.天网恢恢，疏而不漏。The daily grind of government is done by Her Majesty's Civil Service...枯燥的日常政务都由女王陛下的政府行政部门来处理。W...

gathering的音标：gathering的英式发音音标为：['gæðərɪŋ]gathering的美式发音音标为：['ɡæðərɪŋ]...

Each family is being given a cash handout of six thousand rupees.每户都领到6,000卢比的救济金。Stuff your money. We don't want a handout.收起你的钱，我们不需要施舍。Please read the handout carefully.请仔细读这份讲义....

Firms and individuals store their funds with banks for safekeeping.为安全保险起见,公司或个人将其资金存到银行.Those papers are in safekeeping with him.那些文件由他妥善保管着.Sometimes many people confuse it with check safekeeping.有时候,许多人都会把它与支票安全储存混为一谈...