| 单词 | impermeable |
| 释义 | impermeable —impermeability, impermeableness, n. —impermeably, adv. /im perr"mee euh beuhl/, adj. 1. not permeable; impassable. 2. Chem. , Geol. (of porous substances, rocks, etc.) not permitting the passage of a fluid through the pores, interstices, etc. [1690-1700; < LL impermeabilis. See IM-2, PERMEABLE] |
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