您要查找的是不是：
- This is also a straightforward example. 这也是一个直观的例子。
- This is a task well within your ability. 这完全是你力所能及的工作。
- 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 straightforward approach that can make a binary counter count to any number. 这是一个利用二进制计数器计任意数的简捷方法。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- This is a great task,a great class struggle. 这是一个伟大的任务，一个伟大的阶级斗争。
- This is a sort of indeterminate color. 这是一种说不清的颜色。
- "This is a painful task," said he. “这是一份不愉快的差事，”他说。
- This is a coat of her own making. 这是她亲手做的外衣。
- This is a task for source code management software. 这就是源代码管理软件的任务。
- 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 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 great task, a great class struggle. 这是一个伟大的任务，一个伟大的阶级斗争。
- This is a great task, a great dass struggle. 这是一个伟大的任务，一个伟大的阶级斗争。
- 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。
