1、The new coffee mug is designed to be leakproof, so you don't have to worry about spills.
這個(gè)新的咖啡杯設(shè)計(jì)成防滲漏的,所以你不必?fù)?dān)心灑出來(lái)的問(wèn)題。
2、The contractor assured us that the roof is completely leakproof, even during heavy rains.
承包商保證我們屋頂完全防滲漏,即使在大雨天也是如此。