浮力定律

Archimedes' principle (physical law of buoyancy)

to float / superficial / floating / unstable / movable / provisional / temporary / transient / impetuous / hollow / inflated / to exceed / superfluous / excessive / surplus

buoyancy

power / force / strength / ability / strenuously

to set / to fix / to determine / to decide / to order

scientific law (e.g. law of conservation of energy) / (in human affairs) a generalization based on observation (e.g. "power corrupts")

surname Lü

law