impermeable
/ɪmˈpɜːmɪəbl/adjective
1- not allowing fluid to pass through不渗漏的, 透不过的：
an impermeable membrane.
不渗漏膜。
1.1
- 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。
派生词
impermeability
noun词源
late 17th cent.: from French imperméable， or from late Latin impermeabilis, from in- 'not' + permeabilis （see PERMEABLE）.