Sphaerophorin
球地衣素
🗣️ 情景例句
Pleased to meet you.
很高兴与你见面。
March comes in like a lion and goes out like a lamb.
三月来如雄狮，去如绵羊。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？