您要查找的是不是：
- 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 highly efficient new heating system. 这是个高效的新取暖系统。
- This is a sort of indeterminate color. 这是一种说不清的颜色。
- In that case, some people may ask, this is a recording device and how long do work? 那么，一定有人会问，这套录音装置又是如何做到长时间工作的呢？
- This is a coat of her own making. 这是她亲手做的外衣。
- An example of this is a page which opens after the user has clicked on a link to hear a recording. 其中的一个案例是：在用户点击一个链接之后听到声音时在打开页面。
- This is a good place for a picnic. 这是一个野餐的好地方。
- This is a recording, I am not at home; please leave a message after the beep .Thanks! 这是电话答录机。我现在不在家，请在"哔"的一声之后开始留言。谢谢！
- This is a question that they have often debated. 这是个他们常讨论的问题。
- This is a recording, i am not at home now, could you leave a message after the beep, thank you! 这是电话答录机。我现在不在家，请在"哔"的一声之后开始留言。谢谢！
- This is a task well within your ability. 这完全是你力所能及的工作。
- This is a very popular name for a girl. 这是一个非常普通的女孩名字。
- I certify that this is a true copy. 我证明这是真副本。
- This is a record amount settled on one day through our Hong Kong dollar RTGS system. 上述数字是港元即时支付结算系统历来最高的单日结算金额。
- This is a book for young and old (alike). 这本书老少咸宜。
- This is a kind of lavender-water. 这是一种熏衣草香水。
- This is a kind of metallic paint. 这是一种有金属光泽的涂料。
- This is a large passenger airliner. 这是一架大型客机。
- This is a plan for the fortification of the city. 这是一个加强城市防御的计划。
- You can't be leaving me this is a bad dream! 你千万不可离开我--这太可怕了！
