Paramethadlone
乙甲双酮
🗣️ 情景例句
Licking envelopes.
粘信封。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢？
'At what time did you arrive at the station?'
“您几点钟到的火车站？”