Euxanthon
优吨酮, 1, 7-二羟(基)夹氧杂蒽酮
🗣️ 情景例句
A kind of a fifty-year anniversary reunion.
等于是五十周年重逢聚会。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Yes, here you go.
喏，就是这个。