Oxychelidonine
氧化白屈菜碱
🗣️ 情景例句
It's not an important game, anyway.
话说回来， 这场比赛不重要。
Did you watch the new office building being built?
你看过在建设中的新的办公楼吗？
Good afternoon, class! Who's on duty today?
同学们，下午好！今天谁值日？