Methylumbelliferone
甲基7-羟基香豆素
🗣️ 情景例句
You're welcome. Good-bye.
不用谢。再见。
I'm going to be late.
我要迟到了。
When the police officer had taken away Hope Darwin, Tom Goode turned to the lawyer.
当警官带走霍普·达尔文以后，汤姆·古德转向律师说。