P substance
[化] P物质
🧩 词语组成解析
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
Excuse me for interrupting.
对不起打扰你了。
'At what time did you arrive at the station?'
“您几点钟到的火车站？”