Coptisine
黄连碱
🗣️ 情景例句
Hi, this is Mike Johnson.
嗨， 我是Mike Johnson。
Americans wonder what has become of the idealism of the last decade.
美国人的理想主义，不知道在这十年间变得怎样了。
It's too hard. Oh, dear! Is it broken?
太难了，天那！风筝被弄坏了！