Diethylstilbene
己烯雌酚
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Fine, thanks. And you?
很好，谢谢，你呢？
Party? What party?
聚会？什么聚会？