zhè wèi / kē xué jiā / yì shēng / zhì lì yú / gōng gòng wèi shēng / shì yè / wèi / rén lèi / jiàn kāng / lì xià / le / fēng gōng wěi jì

这位科学家一生致力于公共卫生事业，为人类健康立下了丰功伟绩。

This scientist devoted his or her life to public health and made brilliant contributions to human well-being.