Mitragynine
帽柱碱
🗣️ 情景例句
I can see well both day and night.
我白天晚上都能看得很清楚。
Short acquaintance brings repentance.
浅交生后悔。
First of all, it's been improved. And it's bigger, although it's more expensive.
首先，它已作了改进。而且机子较大，尽管价格贵些。