buoyancy material
常见例句
- Buoyancy is a force that causes lighter material to rise through surrounding denser material. The hot liquid magma rises towards the surface through the more dense rock.
浮力是密度較高的物質把密度較低的物質往上陞的力量，所以熾熱的巖漿會通過密度較高的巖石上陞到地麪。 返回 buoyancy material