您要查找的是不是：
- Is this an express bus? 这是快速公共汽车吗？
- Han Jia, is this an expression of an approximate number? 韩佳,这是不是表示一种概述的说法呀?
- A local bus is slower than an express bus. 每站都停的汽车比快车慢。
- Is this an authoritative order or a personal request? 这是官方的命令还是个人的要求?
- Wendy transferred to an express bus to save time. 温迪为了省时间，换乘了快速公交车。
- Ask yourself," Why is this an issue in my life? 问问自己，"为什么这成了我生活中的一个问题?
- Is this an apparent contradiction? 这是明显的矛盾吗?
- Is this an accurate summary of your position? 我这样总结您的观点准确吗?
- Is this an express train? 这是快车吗？
- Is this an express? 这是一列快车吗?
- Lian: Is this an accurate summary of your position so far? 丽安:我这样总结您的观点准确吗?
- Is this an example of mindlessly aping Western lifestyles? 这是一个盲目模仿西方生活方式的例子么？
- We took an express bus home. 我们乘特快公车回家。
- Rai: Is this an image I'm working hard to live up to? 这是不是我努力工作的目标呢？
- This is the No.One O Four express bus. 本车是104路快车。
- Is this an all-timer, though? Not even close. Not yet, anyway. 不过，这次的冲突事件算是棒球史上的经典冲突事件吗？还差得远呢！
- Is this an empty chair(= not one that another person will be using)? 这张椅子没人坐吗?
- Why is this an important consideration in studies involving cell fractionation? 为什么在涉及细胞的分级分离时，这是一重要的考虑?
- express delivery of packages; an express bus. 包裹快递；直达公共汽车
