impermeable

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++im·per·me·a·ble /ɪmˈpɜːmiəbəl $ -ɜːr-/ adjective technical LIQUIDHARDnot allowing liquids or gases to pass through 不容〔液体或气体〕透过的，不可渗透的 OPP permeable No paint is impermeable to water vapour. 没有哪种涂料是不透水汽的。

Examples from the Corpus

impermeable• It was in a shrink-wrap cellophane coating, and the seal was impermeable.• These and similar rocks are impermeable.• The layer of clay acts as an impermeable barrier against some chemicals.• Otherwise it will yield little or no water from the impermeable confining layer.• Also, large quantities of free gas or other hydrocarbons can be trapped beneath impermeable gas hydrate layers.• Water can not easily flow in these impermeable rocks.• The quick deposition of these sediments resulted in clay compaction and the isolation of porous and permeable sand with impermeable shales.• But the odds are that even those women who appear impermeable to pain are suffering great hurt behind their face-saving pose.• In the absence of antidiuretic hormone, the distal tubule and collecting duct are impermeable to water.