例句：
It's about this high.
大约有这么高。
There was much discussion about the reasons for the failure.
就失败的原因进行了大量的讨论。
The population is increasing at about 6% per year.
人口以每年约6%的速度增加。
I got to know David on the second day of middle school.
我在上中学的第二天就认识了大卫。
In our company, quality is high on the agenda.
我们公司高度重视质量。
The university is on the left bank of the river.
大学在河的左岸。