freebien.免费的东西；免费赠券
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 flowing bulk material container粉状货集装箱
free--floating space manipulator漂浮基空间机械臂
Free Presbyterian Church of Scotland苏格兰自由长老会
free oneself from one's difficulties草原森林生态系统
Freezing and deep freezing equipment冷冻速冻设备
free problem of moving-end-point动端点自由问题
free-hydroxyl-group concentration自由羟基浓度
Freezing point depression of solution溶液的凝固点的降低
free-standing emergency care center独立急救护理中心
Free World Military Assistance Forces自由世界武器援助部队
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