Dddc
[医][=diethylammonium diethyl dithio carbamate]二乙基二硫代氨基甲酸二乙基铵
🗣️ 情景例句
What type of visa have you got?
您持的是哪种签证？
Do you live across from the bus station?
你在公共汽车站对面居住吗？
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。