科技
1、The size of that quarter is what you can focus clearly at any one time.
那四分之一大小的区域是你什么时候都能很清晰的看到的。
2、A quarter of all sea species spend at least a part of their life in a reef.
在所有海洋物种中，有四分之一至少有一部分的生活史是在珊瑚礁度过的。
3、This suggests that GDP could finally hit a new high by the end of next quarter.
这意味着国内生产总值可能最终会在下个季度末创下新高。
