Davidigenin
二羟苯基羟基丙酮
🗣️ 情景例句
Could you tell me a little about your background?
能否请您简短地谈一下贵公司的背景？
Sorry, but she is out.
很抱歉，她出去了。
Two assistants, mounted on tame elephants, control the captive from either side,
两位助手骑在驯服的象的背上，从两侧控制新捕的象，