Suosan
[化] 对硝基·苯基·脲基丙酸钠
🗣️ 情景例句
That's right.
是的。
She's always helping people.
她总是帮助别人。[现在进行时]
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？