sap

sapsapD.J.:[sæp]K.K.:[sæp]n.1.■〈口〉傻瓜, 笨蛋Didn't you know I was joking, you sap?你难道不知道我是在开玩笑吗？傻瓜。2.■树液, 体液Maple sugar is made from the sap of maple trees.枫糖是由枫树的树液制成的。3.■元气, 活力vt.1.■逐渐削弱(某人[某事物]的力量、活力等)Lack of planning is sapping the company's efficiency.缺乏计划正在削弱公司的效率。2.■逐渐消耗(某人的力量、活力等)Her long illness gradually sapped her strength.长期的患病渐渐地消耗了她的体力。

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sap1[sæp]n.1.■(植物，尤指木质植物的)汁，液2.■体液3.■边材，液材(指树木等木心和树皮之间的部分)[亦作 sapwood]4.■元气，活力，精力5.■[俚语]傻瓜，笨蛋6.■【冶金学】(渗碳钢材芯部的)软钢vt.1.■使排出汁液；使排出体液：to sap a rubber tree割胶2.■晒干…的液汁：to sap pinewood晒干松木3.■把…制成边材，使成边材4.■使伤元气，耗费…的体力(或精力等)：the job that sapped one's effort耗费精力的一项工作变形vt.sappedsapping sap2[sæp]n.1.■【军事】坑道，战道，地道2.■坑道的修筑3.■【军事】坑道修筑学；坑道修筑法4.■削弱，破坏；挖墙脚vt.1.■【军事】在…修筑坑道(以靠近敌军)：to sap three lines of defence修筑三道防御战道2.■在…下挖掘(以令其受损)；逐步破坏…的基础：to sap the base of a building逐渐侵蚀建筑物的基石3.■削弱，破坏；挖…的墙脚：to sap the leadership of the Queen削弱女王的领导vi.1.■修筑坑道；运用坑道(逼近敌军等) sap3[sæp]n.1.■[美国俚语]警棍，粗头短棒vt.1.■用粗头短棒击打(某人)；用警棍击昏(某人)：Many of the demonstrators were sapped.许多示威者被警棍击昏了。变形vt.sappedsapping

sapsap[sæp]n.1.■【军】坑道; 坑道的挖掘2.■暗中破坏; 逐步的损坏

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词性变化sapvi.(sapped, sapping)1.■挖掘坑道2.■通过坑道接近敌人阵地vt.1.■挖坑道袭击2.■在...下面挖使受损, [喻]打击或削弱(某人的信心、自信等); (潮水等)逐渐侵蚀3.■渐渐削弱; 耗竭...的生命和力量sap a wall挖墙脚sapped by disease [an unhealthy climate]因疾病[有害健康的气候]而体力逐渐衰弱The criticism sapped his determination.批评削弱了他的决心。

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继承用法saphead[ˈsæphed]n.1.■坑道头sappingn.1.■基蚀, 挖掘, 下切