Translation of "impervious" into Indonesian

Thanks largely to a substance called betulinol, birch bark is both durable and impervious to water.

Kulit kayu betula awet dan kedap air terutama karena mengandung senyawa yang disebut betulinol.

But little did Quickdraw Kiddo know that little B.B. Was only playing possum, due to the fact that she was impervious to bullets.

Tapi akhirnya Kiddo sadar kalau B, kecil bermain tembak-tembakan... berdasarkan cerita ia tidak mempan terhadap peluru.