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, after all, a modern government, not a medieval dukedom. 毕竟，如今是一个现代的社会，而不是中世纪的王国。
- This is a valuable medieval manuscript. 这是一本有价值的中世纪手抄本。
- This is a short story whose easy style I love very much. 这是一则短篇小说，我很喜欢它那简单的笔调。
- I know this is a story about the Monkey King. 我知道这是一个关于猴王的故事。
- 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。
- This is a story of fossil culture written by XX. 这是由一个叫XX的人编织的化石文化的故事。
- This is a coat of her own making. 这是她亲手做的外衣。
- This is a story dripping with love. 这是一个渗透着爱情的故事。
- This is a good place for a picnic. 这是一个野餐的好地方。
- This is a question that they have often debated. 这是个他们常讨论的问题。
- 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 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。
