Benz(c)indeno(2,1-a)fluorene
[化] 苯并[c]茚[2,1-a]┑
🗣️ 情景例句
Just relax and enjoy it.
放轻一点 好好地享受它。
I've forgotten what time he said he had dinner last night.
我忘记了他昨晚什么时间吃晚饭的了。
He did not see the bag until it was too late.
等他看见袋子时已经太晚了。