social welfare security

• 社会福利保障

social welfare security的用法和样例：

例句

1. With the development of laboratory animal applications in bioscience researches, the good animal husbandry and welfare conditions are attracting more and more attention.
   摘要实验动物在生物科学研究领域中的应用不断发展，其饲养环境和福利保障的问题已越来越被国际所关注。