free有免费的意思。free可作形容词、副词和及物动词，基本含义除了“免费”之外，还有“脱离束缚”、“释放”、“解放”、“解除”、“自由的”、“随心所欲的”、“言行自由的”等意思。
free的中文意思及用法介绍
1、作为形容词时，意为自由的(不是囚犯或奴隶);随心所欲的;不受限制的;言行自由的。
例句：I have no ambitions other than to have a happy life and be free.
我没有雄心大志，只求自由自在地过幸福生活。
They gave me free access to all the files.
他们让我自由查阅所有档案资料。
He walked out of jail a free man .
他获释出狱，成为自由人。
The researchers set the birds free .
研究人员把鸟放了。
We're offering a fabulous free gift with each copy you buy.
购买一册就可以得到一份免费好礼。
Ensure there is a free flow of air around the machine.
要确保机器周围空气畅通。
It was several weeks before he was completely free of pain.
过了几星期他的疼痛才完全消除。
2、作为及物动词时，意为释放;使自由;解放;使摆脱;解除(或去除、清除)。
例句：The hijackers agreed to free a further ten hostages.
劫持者已同意再释放十名人质。
Three people were freed from the wreckage.
有三人被救出残骸。
These exercises help free the body of tension.
这些锻炼可使紧张的身体放松。
We freed time each week for a project meeting.
我们每周都腾出时间开一次项目会议。
Winning the prize freed him to paint full-time.
获奖使他能腾出时间整天作画。
3、作为副词时，意为免费;脱离束缚。
例句：Children under five travel free.
五岁以下儿童乘客免费。
The wagon broke free from the train.
这节货车车厢脱离了列车。
Can you work it so that we get free tickets?
你能不能为我们搞到些免费票？
You will automatically get free dental treatment if you are under 18.
18岁以下的人一律免费得到牙科治疗。
