human head造句

1、The human head can contain up to several hundred thousand hairs, with a maximum of about 500, 000.
人类头上的头发约有几十万根，最多可达50万。

2、The human head can contain up to several hundred thousand hairs, with a maximum of about 500,000.
人类头上的头发约有几十万根，最多可达50万。

3、Contagious: a human head louse clings to a strand of hair.
感染力：附着在一根头发上的人类头虱。