Separatography
无色化合物的吸附分离
🗣️ 情景例句
This is fun. It's a piece of cake.
有意思 毫不费力。
Little bodies may have great souls.
小小的躯体会有伟大的心灵。
Hurry up, Sam!The kettle's boiling!
快，萨姆。水开了！