blunder into短语⁶⁵⁶⁴⁷ 基本例句 adj.碰撞 The resulting cobalt- sized holes tend to trap any cobalt ions that blunder into them, with the result that a small amount of the polymer can mop up a lot of radioactive cobalt. 聚合物上便产生出钴离子大小的洞，这些洞往往会将撞到的任何钴离子捕获。这样一来，少量的聚合物就能将大量放射性钴离子清理干净。 topsage