您要查找的是不是：
- Is this wall plumb? 这墙是垂直的吗？
- 3. Is this wall plumb ? 这墙是垂直的吗？
- This wall is famous for producing echoes. 这墙壁因能发出回声而出名。
- This wall is a defence against the sea. 这堵墙是抵挡海水的。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- What is the thickness of this wall? 这面墙有多厚?
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- This wall will do as a rest for your camera. 这面墙可以作为你照相机的依托。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- Is this the original drawing or is it a copy? 这是原画还是模本?
- This wall is to keep people out of the garden. 这堵墙为的是不让人到花园里来。
- This wall is a little out of the perpendicular. 这堵墙有点歪。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
- John, is this the right way to operate the machine? 约翰，这是操作这台机器的正确方法吗？
- Here is this week's market price for sheep. 这是本星期的羊市价格。
- How much longer is this going to drag on? 这事还要拖多久?
- Is this behaviour typical of the male sex? 这种行为是雄性特有的吗?
- Is this the right way to the zoo? 去动物园是走这条路吗?
