required

过去分词：

动词过去分词: required

更多词形：

形容词: requirable | 名词: requirer | 动词过去式: required | 动词过去分词: required | 动词现在分词: requiring | 动词第三人称单数: requires |

单词例句：

They are required to publish the sources of their campaign funds.

他们必须公布自己竞选经费的来源。

The money collected fell short of the amount required.

筹集的资金没达到所需的数额。

A card game played usually with the highest 32 cards, in which each player is dealt 5 cards and the player making the trump is required to take at least 3 tricks to win.

尤克牌一种通常只用最主要的32张牌的牌戏，玩牌者每人发五张牌。以定王牌的一方必须至少赢三墩牌才算赢。

Power in terms of the women available to a particular group or required for a particular task.

女劳动力效力于某个特殊团体或某个特殊任务需要的女劳动力

You're required to submit a resume.

你必须交一份个人简历。

The full crew of officers and enlisted personnel required to run a ship.

船上定员行驶船舶所要求配备的全体官员和在编士兵

A type of symbiosis, as among certain ants, in which one species is dominant and makes the members of another species perform the tasks required for their mutual survival.

共生(现象), 役生现象一种共生(现象), 如某些蚂蚁，在这种现象中，一个种处于支配地位，并使得别的种的成员承担他们共同生存所需完成的任务

George is no longer on the stab, but does odd jobs when required.

乔治现在已经没有固定工作了，只是在别人需要的时候干一点零活。

A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.

(汽车的)超速档机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力