obligate anaerobe

例句：

1. 1. The company is obligated to pay the employees' salaries on time.
   公司有义务按时支付员工工资。
2. 2.The teacher was obligated to give a lecture on environmental protection.
   老师有义务就环境保护问题做一次演讲。
3. 3.The government is obligated to provide basic education for all citizens.
   政府有义务为所有公民提供基础教育。