Xanthopterin
黄蝶呤, 2-氨基-4, 6-二羟基蝶呤
🗣️ 情景例句
Mr. Lu, we are very pleased to be able to offer this product to you.
陆先生，我们很高兴能提供这个产品给您。
He made an important contribution to the company's success.
他对公司的成功做出了重要的贡献。
concludes that it must be the gateway to world that lies beyond.
日落处想必是通往遥远世界的大门。