点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源,包括PDF教材和音频练习,方便课后复习:
1. the preservation of mental and physical health by preventing or treating illness through services offered by the health profession
Synonym: healthcare
2. social insurance for the ill and injured
多通过句子记忆单词,而不是单独死记硬背。