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- Words fall off by disuse. 字不用就废了。
- Words fall off by disuse 词汇不常用就见废。
- Brains fall off by disuse. 脑子不用就会变得迟钝。
- Its should wait to fall off by oneself patiently after cut is scabby. 伤口结痂后要耐心等待其自行脱落。
- The clause should be set off by a comma. 这个从句应该用逗号隔开。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- Be careful not to fall off the ladder. 当心别从梯子上掉下来。
- The ship's bow was blown off by a mine. 船头给一枚水雷炸掉了。
- Mary scrape her knee when she fall off her bike. 玛丽从脚踏车上摔下来擦伤了膝盖。
- The child was brought off by the PLA. 孩子被解放军救起。
- One slip and you could fall off the cliff. 脚下一滑就可能从悬崖上跌下去。
- Get this letter off by the first post. 把这一封信交第一班邮递寄出去。
- As the language grows, new words are introduced and many words fall out of use. 随着语言的发展，新词不断被采用，而有许多词则停止使用了。
- The student have all pair off by the end of term. 到学期末学生都已成双结对的了。
- Ripe apples are beginning to fall off the trees. 成熟的苹果开始从树上落下来了。
- You'll break your neck if you fall off the roof. 你要是从屋顶上跌下来会摔死的。
- The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。
- Which syllable do the stress of this word fall on. 这个字的重音是在哪个音节上。
- I fell off my bike and went arse over tit. 我跌下自行车，一头号栽到地上。
- He was hissed off by the audience. 他被听众嘘下台来。
