sapBrE/sæp/NAmE/sæp/verbpresent simple - I / you / we / theysapBrE/sæp/NAmE/sæp/present simple - he / she / itsapsBrE/sæps/NAmE/sæps/past simplesappedBrE/sæpt/NAmE/sæpt/past participlesappedBrE/sæpt/NAmE/sæpt/ -ing formsappingBrE/ˈsæpɪŋ/NAmE/ˈsæpɪŋ/tomakesth/sbweaker; todestroysthgradually使虚弱;削弱;逐渐破坏◆~sthThehotsunsappedourenergy. 火辣辣的太阳烤得我们虚软无力。◆~sb (ofsth)Yearsoffailurehavesappedhimofhisconfidence. 连年失败使他逐渐丧失了自信。