It's about 10 metres in width.

　　它寬約10米。

　　Measure the length and width of the gap

　　測量一下這條縫隙的長與寬。

　　Measure the full width of the window

　　測量一下窗戶的全寬。

　　Allow for some shrinkage in both length and width.

　　長、寬上都預留出一定的縮水量。

　　The house is more than twenty metres long and measures six metres in width

　　這座房子長20多米，寬6米。