Freesonn.弗里森freeadj.自由的；免费的；畅通的；没有…的；未使用的；空闲的；随意的v.释放；使自由；使摆脱；解除；使可用于(某目的)adv.免费地；自由地free-law school of law自由法学派Free of all obstacles.无障碍的free vibration frequency自振频率Free Floating Wave Meter自由浮动式测波仪free energy flow density自由能流密度free storage of articles免费存放物品free-redical chemistry自由基化学free tickets to the show演出的免费入场券FREE PARKING FOR SIX CAR免费提供六个泊车位free energy of formation生成自由能,生成的自由能