Dddc
[医][=diethylammonium diethyl dithio carbamate]二乙基二硫代氨基甲酸二乙基铵
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
He tried to sell me his lousy radio.
他想把他那台破收音机卖给我。
What!It's only eight fifteen.
什么！现在只有8点15分。