avail

noun

1. a means of serving

e.g. of no avail
there's no help for it

Synonym: helpservice

verb

1. use to one's advantage

e.g. He availed himself of the available resources

2. take or use

e.g. She helped herself to some of the office supplies

Synonym: help

3. be of use to, be useful to

e.g. It will avail them to dispose of their booty

1. 毫无用处;没效果
If you do something to no avail or to little avail, what you do fails to achieve what you want.

e.g. His efforts were to no avail...
他徒劳无功。
e.g. I apologized repeatedly, but to little avail.
我一再道歉，但丝毫没有奏效。

2. 接受（提议）；利用（机会）
If you avail yourself of an offer or an opportunity, you accept the offer or make use of the opportunity.

e.g. Guests should feel at liberty to avail themselves of your facilities.
宾客们应该可以随意使用你们的各种设施。

1. 有助于：在肥沃的(fertile)土地上有一片丛林(jungle),树下的小河被大风(gale)吹成了冰河(glacier)他的本能(instinct)有助于(avail)他达到(attain)无敌的(invincible)地步.

2. 可用：1变流静机、电瓶、主变压整流器 (ESS TR)分别位于(B)A.没有使用(NOT IN USE)灯和可用(AVAIL)灯都亮;B.没有使用(NOT IN USE)灯灭而可用(AVAIL)灯亮;C.没有使用(NOT IN USE)灯和可用(AVAIL)灯都灭.

3. avail的意思

3. 有益于 <<我为友>>与我为友有益于你：plaza-市场<>市场破烂杂乱 | avail-有益于 <>与我为友有益于你 | pulse-脉冲<>脉冲像打炮似的

4. 有益于：avail oneself of 利用 | avail 有益于 | availability 可用性