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- Is this ladder secure? 这梯子牢靠吗?
- This ladder is riddled with woodworm. 这个梯子已经让蛀虫蛀了很多洞。
- Is this ladder secure 这梯子稳固吗?
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- 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 ladder won't reach the roof. 这个梯子够不到屋顶。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- This ladder wont reach the roof. 这个梯子够不到屋顶。
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- This ladder doesn't seem very stable. 这架梯子好像不太稳。
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
- Let this ladder rest against the wall. 把这梯子靠在墙上。
- 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？
- But this ladder does not go straight up. 然而这个阶梯并不是直上直下的，
- 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?
