Icsu
abbr. International Council of Scientific Unions 国际科学协会理事会
🗣️ 情景例句
This.
这个。
Politeness is to do and say the kindest thing in the kindest way.
文雅就是善良地做事，和善地说话。
Is the population of the world still growing?
世界人口仍然在增长吗？