Davidigenin
二羟苯基羟基丙酮
🗣️ 情景例句
I'll be satisfied with a small one.
小型车就很令我满意了。
He has spent over six years working in Africa and India.
在非洲和印度工作了六年。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。