Picryl
苦基, 间三硝苯基, 2,4,6-三硝基苯基
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
Did you go to the concert yesterday?
你昨天去听音乐会了吗？
How kind! Thank you.
你太好了！谢谢你。