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- While the reduction of the initial oxidized products on pyrite surface such as polysulphide and free sulphur can improve its hydrophilicity. 同时，黄铁矿表面初始氧化产物如单质硫和多硫化物被还原，亲水性增强。
- This paper introduces a high-speed analysis method for the mass concentration of free sulphuric acid in the hydro-phosphoric acid material liquid and its principle. 介绍了湿法磷酸料浆液相中游离硫酸质量浓度快速分析法及其原理。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
- He is given a free ticket to the exhibition. 有人给他一张免费参观展览的票。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。
- We'll eat at whichever restaurant has a free table. 哪个饭馆有空桌我们就在哪儿吃吧。
- The politician cops out on the issue of free trade. 那政客对自由贸易的问题只是一味逃避。
- At once he slew him and set Io free. 他立刻杀死了阿尔戈斯，放掉了伊俄。
- Free will makes us able to choose our way of life. 自由的意志使我们可以选择自己的生活方式。
- The prisoners wish to be free again. 囚犯们希望重获自由。
- The referee awarded a free kick. 裁判员判定罚一个任意球。
