您要查找的是不是：
- Is this watch yours? 这是你的手表吗?
- It is easy to reduce if you watch your diet. 你如果注意饮食，减肥并不难。
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- "Is this your vehicle, sir?" asked the policeman. “这是您的车吗，先生？” 警察问道。
- This watch is the same price as that one. 这手表和那手表价格一样。
- This watch is guaranteed for a year. 这只表保修一年。
- It is allowed to import this watch. 这手表可以进口。
- I bought this watch at a low price. 我以便宜的价钱买了这只表。
- Is this your parents' apartment? No, it's my brother's. 这是你双亲的公寓吗？不，它是我兄弟的。
- You must watch your step so as not to fall down. 你必须留心脚下才不会跌下去。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- This watch is worth 100 yuan at the utmost. 这只表最多值一百元。
- You'll be in trouble if you don't watch your step. 你要是不谨慎从事就要倒霉了。
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- This watch is not designed for rough treatment. 这块手表不可猛烈震动。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- Watch your head! That doorway is very low ! 注意你的脑袋!这过道很低!
- Is this the original drawing or is it a copy? 这是原画还是模本?
- I wonder if this watch is authentic. 我想知道这只表是不是真的。
- Watch your step,and come this way,please. 您走好，请这边走。
