示例
The report tracks pollution levels across the city each month.
该报告每月跟踪全市的污染水平变化情况。
定义
measured degree or amount of something
某物的测量程度或数量
one of successive stages in a game or process
游戏或过程中的一个阶段
floors or storeys of a building
建筑物的楼层
instruments that check whether a surface is level or plumb
用于检测表面是否水平或垂直的工具
makes a surface flat or even
使表面变平或变得水平