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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...
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avail的一般过去时为：availed...
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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....
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avail的现在完成时为：availed...
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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]...
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avail的复数形式为：avails...
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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...
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n.效用，利益vt.& vi.有益于，有益于，使对某人有利...
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avail的第三人称单数（三单）为：avails...
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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...