Dioxyanthranol
[医] 二羟基蒽酚, 蒽三酚
🗣️ 情景例句
What happened?
发生了什么事？
She's free on Friday and Saturday.
她周五和周六有空。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。