Mitragynine
帽柱碱
🗣️ 情景例句
and he really wants to go there.
他确实很想去那儿 。
The leopard cannot change its spots.
江山易改，本性难移。
A foreigner living in a Swedish village wrote to the Ombudsman complaining that he had been ill-treated by the police, simply because he was a foreigner.
一个住在瑞典乡村的外国人写信给司法特派员，抱怨说他受到警察的虐待，原因就是因为他是个外国人。