Hydroxychelidonine
羟基白屈菜碱
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？