Indenoisoquinoline
茚并异喹啉
🗣️ 情景例句
What-are you doing?
你在做什么？
I'll be right with you.
我马上就来。
As the floods had put the telephone out of order, we could not find out how they were managing.
由于洪水造成了电话中断，我们无法了解他们情况。