adj (1)能防御(抵抗住)的 (providing protection against sth; that can resist sth)[A (against)][作attrib]：～against being taken by surprise 不受驚嚇的;(material) be～against water (材料)可以防水;The glass seems to be～against bullets. 這種玻璃好像可以防彈。～against temptation 能抵抗誘惑的; be～against the greatest pain 能忍受極度疼痛;
(2)能防(耐)……的 (able to keep out or stop sth) (常用于合成詞)： a water～watch/coat 防水手表/外衣;leak-～batteries 防漏電池;a bullet-～car 防彈汽車;a sound-～room 隔音房間;a bomb～shelter 避彈洞;The floor should be acid-～. 地板應(yīng)能耐酸。
vt使能防(耐) (尤指使布防水) (make sth proof (esp make a fabric waterproof)) [T+n]