您要查找的是不是：
- Look at the picture! This is a digital camera. 接著指课本图片说。
- This is a digitally controlled stereo. 这是一台数码控制的音响。
- This is my son's digital camera. 是我儿子的数码相机。
- 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 box camera and that is a folding one. 这是一架盒式相机，那架是折合式的。
- This is a picture of Lisa caught on camera. 这是用照相机照的Lisa的照片。
- This is a box camera and that's a folding one. 这是一架盒式相机，那架是折合式的。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- This is a good - looking camera . 这是一个外形美观的照相机。
- This is a small-sized, single-lens camera. 这是一架小型的单镜头相机。
- This is a sort of indeterminate color. 这是一种说不清的颜色。
- This is a video camera after my own heart. 这是一架合我心意的摄像机。
- This is a coat of her own making. 这是她亲手做的外衣。
- 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。
