Triazane
三氮烷
🗣️ 情景例句
No,
不对，
It is good to have friends in trouble.
在患难时得到朋友是幸运的。
One day, the Shutes heard that there was a good doctor in a town not far away.
有一天，舒特家人听说不远的镇上有一位好医生。