"the human race," c. 1300, earlier man-kende (early 13c.), from man (n.) + kind (n.). Replaced Old English mancynn "human race." Also used occasionally in Middle English for "male persons" (late 14c.), but otherwise preserving the original gender neutrality of man (n.). For "menfolk, the male sex," menkind (late 14c.) and menskind (1590s) have been used.
权威例句
1. Mankind's knowledge of the universe has increased beyond measure.
人类对于宇宙的了解已经大为增加。
2. His research is for the betterment of mankind.
他的研究是为全人类造福。
3. the history of mankind
人类的历史
4. These habits are both universal among mankind and peculiar to individuals.
这些习惯在全人类中很普遍,而对个人来说又很独特.
5. When will the desert give up its secrets to mankind?