adj.不漏水的；水密的；防渗的；无懈可击的 双语释义：adj.(形容词)不漏水的，不透水的，水密的 through which no water can pass严密的，无懈可击的 produced with great or unintended results英英释义： watertight[ 'wɔ:tətait, 'wɔ- ]adj.not allowing water to pass in or outwithout flaws or loopholes"a watertight alibi"