It's about 10 metres in width.
它宽约10米。
Measure the length and width of the gap
测量一下这条缝隙的长与宽。
Measure the full width of the window
测量一下窗户的全宽。
Allow for some shrinkage in both length and width.
长、宽上都预留出一定的缩水量。
The house is more than twenty metres long and measures six metres in width
这座房子长20多米，宽6米。