名词
1. Time is sometimes called the fourth dimension.
时间有时候被称作第四维。
2. A line has one dimension and a square has two.
线是一度空间，平面是两度空间。
3. They have bought a house of generous dimensions.
他们买了一所宽敞的房屋。
4. No one realized the dimensions of his problems.
没有人意识到他的问题有多么严重。
5. What are the dimensions of this language laboratory?
这个语言实验室的容积是多少？