not allowing fluid to pass through 不渗漏的,透不过的 an impermeable membrane. 不渗漏膜。 ■not liable to be affected by pain or distress; insusceptible or imperturbable 不为痛苦(或悲伤)所影响的,不为所动的,沉着冷静的 women who appear impermeable to pain. 似乎感觉不到痛苦的女人们。
派生 impermeability noun 语源
late 17th cent.: from French imperméable, or from late Latin impermeabilis, from in- 'not' + permeabilis (see permeable)