untouchable
n, adj (in India) (member) of a Hindu social class (caste) whose touch is regarded as defiling to other higher classes (印度的)不可接触的, 不可接触者(种姓制度中最低层的人).
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔,转业不聚财。
A proper amount of exercise contributes to good health.