impervious
/ɪmˈpɜːvɪəs/adjective
1- not allowing fluid to pass through不能渗透的, 透不过的：
an impervious layer of basaltic clay.
一层不渗透的玄武岩黏土。
1.1
- predic.
impervious to
unable to be affected by不受…影响的： he worked, apparently impervious to the heat.
他干着活, 似乎不受炎热的影响。
派生词
imperviously
adverbimperviousness
noun词源
mid 17th cent.: from Latin impervius （from in- 'not' + pervius 'pervious'） + -OUS.