Pyrocatechine
焦儿茶酚, 邻苯二酚
🗣️ 情景例句
How about tomorrow?
明天怎么样？
I meet the boy whose aunt is a secretary.
我遇到那个男孩的姑妈是秘书。
I am not sure whether I can lend you any money. I may not have enough.
我也不清楚能否借钱给你。我自己可能都不够。