Prefractionation
初步分馏
🗣️ 情景例句
Absolutely right, Frank.
完全正确 ，Frank。
I 'm going to dial the number.
我要拨这个号码。
One of the most famous sailing ships of the nineteenth century, the Cutty Sark, can still be seen at Greewich.
人们在格林威治仍可看到19世纪最有名的帆船之一“卡蒂萨克”号。