儿童: children 短语和例子无辜的儿童 an innocent child; 未满5岁儿童免费。 children under five years of age are not charged.; 儿童保健费 health subsidies to children; 儿童保健服务机构 child health services; 儿童保育事业 child care; 儿
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
