Flavol
黄醇, 1, 3-蒽二酚
🗣️ 情景例句
As a matter of fact,
事实上，
I'm afraid I won't be able to come.
我恐怕不能来。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。