Pentazol
戊撑四唑
🗣️ 情景例句
That sounds a good idea. Thank you.
好主意！谢谢你。
A stumble may prevent a fall.
小惩大诫。
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。