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- Children under five usually travel free on trains. 五岁以下的儿童乘火车通常免费。
- Don't run free on the main street. 别在大街上乱跑。
- Don't let the dog run free on the main road. 别让那条狗在大街上随便乱跑。
- I am not free on Sundays, not to speak of Mondays. 我星期天都没空，更不用说星期一了。
- A toddler who was a real wiggler on plane trips. 学步儿童是飞机旅行中一个真正摆动的人
- In-law: Child on plane screamed 'Mommy come get me! 孩子在电话里哭泣:妈妈,救我!
- Delivery can be made free on board and your order dispatched within24 hours. 贵方如能在二十四小时内寄出订单，本公司就以船上交货价条件交货。
- Laptop is suitable for use on planes. 膝上型电脑适合飞机上使用。
- Here is a tentative free on board price list. 这是暂时的船上交货价目表。
- She is only free on Friday afternoon. 她只有星期五下午有空。
- Babies are allowed to travel free on buses. 婴儿可免费乘公共汽车。
- I am afraid I will not be free on Tuesday. 恐怕我星期二没有空。
- She is free on Friday and Saturday. 她周五和周六有空。
- Admission is free on presentation of this card. 凭此卡可免费入场。
- She's free on Friday and Saturday. 她周五和周六有空。
- Topological equivalence of homogeneous differential systems on plane. 平面齐次系统的拓扑等价问题
- I will be free on Sunday afternoon. 我星期六下午有空。
- Don't let the dog run free on the busy street. 不要让狗在繁忙的街上乱跑。
- Won't you be free on the internet? 想在网络纵横吗?
- I'm afraid I won't be free on Tuesday. 恐怕我星期二没有空。
