Actinochrysin
放线菌素C
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Very please to meet you.
见到您很高兴。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。