词根：-naut-, -nav-

【词根含义】：船

【词根来源】：-naut-(船)来源于希腊语naus(船);-nav-(船)来源于拉丁语中navis(船)及其派生词navia(舰队)和navalis(船的)。

【同源单词】：aeronaut, aeronautics, aquanaut, astronaut, astronautic

词根：-act-, -ag-, -ig-

【词根含义】：做,行动; 驾驶,引导

【词根来源】：来源于拉丁语动词ago, agere, egi, actus(行动)。

【同源单词】：act, acting, action, activate, active

词根词缀：-able

【来源及含义】Latin: a suffix; expressing capacity, fitness to do that which can be handled or managed, suitable skills to accomplish something; capable of being done, something which can be finished, etc.

【相关描述】A suffix that forms adjectives. The suffix -ible has related meanings; expressing ability, capacity, fitness; capable of, fit for, able to be done, can be done, inclined to, tending to, given to.

This list is only a small sample of the thousands of -able words that exist in English.

【同源单词】abdicable, -able, abolishable, abominable, abradable, acceptable

词根词缀：nav-

【来源及含义】Latin: ship, ships; sailor

【同源单词】bionavigate, bionavigation, circumnavigable, circumnavigate, circumnavigation, circumnavigator