Acetylith
电石
🗣️ 情景例句
Sorry about the inconvenience.
对不起添麻烦了。
The price of this model of cassette-player is 2500 Belgian francs at today's rate of exchange.
这个型号的录音机，按今天汇率，每台2500比利时法郎。
Thank you very much.
非常感谢。