卫生: hygienism; hygiene; health; sanitation 短语和例子个人卫生 personal hygiene; 公共卫生 public health; 环境卫生 environmental sanitation; 讲卫生 pay attention to hygiene; 饭前不洗手, 不卫生。 it is unsanitary to eat with
中央: 1.(中心) centre; middle 短语和例子花园中央 at the centre of the garden2.(最高领导机构) central authorities 短语和例子党中央 the central committee of the party; the party central committee; 中央各部门 departments under