Flocfloatation
絮凝浮选
🗣️ 情景例句
Here's my grandfather. He lives in Florida.
这是我祖父 他住在Florida。
Rear sons for help in old age; and store up grains against famine.
养儿防老。
But a closer study of the evidence, supported by a deeper sense of the period,
但是，进一步仔细研究，对那个时代的深化了解，