您要查找的是不是：
- Operator, this is emergency, get me a police/fir engine/ fire truck/ambulance. 接线员，我有急事，请接警察/救火车/消防车/救护车。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- This is a normal course of exit out of the lung. 这是排出肺外的正常过程。
- This is only one instance out of many. 这不过是许多例子中的一个。
- I'm afraid this is not your port of exit. 恐怕这里不是你的出境口岸。
- This is the photo of bus station exit. 这是火车东站的汽车总站出口。
- This is an amicable mood conversation. 这是一次亲切友好的交谈。
- This is a blind valley with no exit ahead. 这是一条盲谷，前面并没有出口。
- Please come now, doctor, this is an emergency! 医生，请您现在就来，这是一个紧急情况（即：有病人需要急诊）。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- This is in case of an emergency. 这是万一碰到紧急状况的时候用的。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- This is the area that attracts the most attention. 这是最受关注的地区。
- This is the man who wanted to see you. 这就是要见你的那个人。
- This is where we change from car to bus. 这就是我们从小汽车换乘公共汽车的地方。
- Don't complain of anybody. This is an act of God. 不要抱怨任何人，这是天意。
- Ah! This is where I put away this shirt. 啊，原来这衬衫是收在这地方。
- A can like this is considered below standard. 这样的罐头认为是不合格的。
- Sir, I think this is an emergency. 先生，我想这是一位急病患者。
