He was aged between 25 and 30, with a medium build and collar-length mousy hair.

他年龄在25到30岁之间，中等体格，有一头长至衣领的暗棕色头发。

《柯林斯英汉双解大词典》

People with short hair should use no more than 6ml of shampoo, medium length 8ml, and long 10ml.

短发的人使用的洗发香波不应超过6毫升；头发中等长度的人不应超过8毫升；而长发的人不应超过10毫升。

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HAIR: Medium length, straight with dense undercoat, never soft, wavy or wiry.

毛质：中等长度，直，底毛密，不行够软、成波状或丝状。

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In another study, long and medium-length hair improved male raters' evaluation of female subjects' health.

CNN: The 5 biggest hair myths and one unfortunate truth

In one study, women's images were digitally altered to give them short, long, and medium-length hair.

CNN: The 5 biggest hair myths and one unfortunate truth

The first man is white, 5ft 5ins, of skinny build and has medium-length, dark hair.

BBC: Fire extinguisher thrown from North Bridge in Edinburgh