Sonet
[计] 同步光纤网标准
🗣️ 情景例句
Are the beaches safe for swimming?
在这儿的海滩游泳安全吗？
Sail while the wind blows; wind and tide wait for no man.
驶船要乘风，风潮不等人。
It is only in the study of man himself that the major social sciences have substituted the study of one local variation, that of Western civilization.
只是在对人类自身的研究中，各主要的社会学科才用对一个局部地区各种情况的研究（如对西方文明的研究）来代替对全人类的研究。