greasy dirtの例文
- A : The stickiness is due to accumulated greasy dirt or soil from frequent handling.
- Dirt on the top and sides of the battery, even greasy dirt, can hold enough moisture to create a current leak from the positive terminal directly to the negative terminal, making your battery self-discharge more rapidly.
- :Regarding the chemical processes, this is due to the fact that one end of the molecule is hydrophobic, whereas the other is hydrophilic-- so the hydrophobic end sticks to the greasy dirt, whereas the hydrophilic end is attracted to water and pulls the grease away from the surface being cleaned.