Anthratetrol
[化] 蒽四酚
🗣️ 情景例句
Why does it have to be one or the other?
为什么非得有这个就没有那个？
He cleans th badroom every day.
他每天都清理卧室。
What can I eat? asked Mrs Brown.
“吃什么才行呢？”布朗夫人问。