physical change

物理变化

同：	[n.] phase change, phase transition, state change

Besides microorganisms' actions in fermentation as agents of physical and biological change, they themselves can be used as a food source.
微生物除了发酵中作为物理和生物学变化的试剂外,它们本身也能被用作一种食物来源。收藏
To cause(spermatozoa)to undergo the physical changes needed to penetrate and fertilize an egg.
使受精使(精子)经历能穿透卵子并使其受精的物理变化收藏

a change from one state (solid or liquid or gas) to another without a change in chemical composition
[同] phase change, phase transition, physical change, state change

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