小组: group 短语和例子骨干小组 a ginger group (党内的); 科研小组 scientific research group; 小组评价 group appraisal; 小组前二名 top two group finishers
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
