Isophenindamine
四氢甲基苯基茚并吡啶
🗣️ 情景例句
He felt that his life was no longer worth living.
他觉得他的生命已经没有再活下去的价值了。
Old wood is best to burn,old book to read.
老柴好烧，老书宜读。
Both of them are exciting. I like watching them. Are you good at sailing?
这两种运动都令人兴奋。我喜欢看。你擅长帆船吗？