A small unit of length, based on the metre, there being 100 centimetres in 1 metre. Abbreviated to cm. The width of an average man's finger nail on his little finger is usually 1 cm.
The doctor measured the boy and he was 147 cm tall. The boy was pleased as he was 1 centimetre taller than he was last year.
作者 Avoura 2005年11月25日