sap

• 名词，指植物体内输导的汁液；也指愚蠢的人；还指一种带柔性握柄的金属棍棒，用于击打。

A noun with multiple meanings: a watery solution circulating through a plant's vascular system; a person lacking good judgment; or a leather-covered metal piece with a flexible handle used for striking.

1. Plant fluidB1formalscientific

   The watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant, providing nourishment.

   植物汁液

   • Maple sap is collected in early spring to make syrup.
   • The tree's sap flowed freely from the cut in the bark.
   • Plants transport nutrients through their sap.

   同义词fluidjuiceliquidliquor

2. Foolish personB2informal

   A person who is easily tricked or lacks good judgment; a naive individual.

   傻瓜

   • He felt like a sap for believing her lies.
   • Don't be such a sap; he's just using you.
   • Only a sap would fall for that old trick.

   同义词chumpdupefoolgreenhorngullnaifpigeonpushoversimpletonsucker

   反义词cynicrealistskepticsophisticate

3. Bludgeon weaponC1formal

   A piece of metal covered by leather with a flexible handle, used for hitting people; a type of blackjack or cosh.

   皮头短棍

   • The detective found a sap in the suspect's pocket.
   • He was struck with a sap during the robbery.
   • The weapon was identified as a leather-covered sap.

   同义词blackjackcosh

• 动词，表示逐渐消耗、削弱或耗尽某物，如精力、力量或资源。也可指从植物中抽取汁液。

A verb used to indicate the act of gradually draining or weakening something, such as energy, strength, or resources.

1. Deplete or drainB2formal

   To gradually weaken or drain someone's energy, strength, or resources.

   消耗

   • The long illness sapped all his energy.
   • Constant criticism can sap a person's confidence.
   • The heat sapped the strength of the workers.

   同义词bleedconsumedepletediminishdrainenervateexhaustreduceweaken

   反义词energizefortifyinvigoratereplenishstrengthen

2. Excavate or undermineC1formal

   To dig or excavate beneath something, especially to weaken its foundation.

   挖空地基

   • The engineers sapped the ground to build the tunnel.
   • They sapped the wall's foundation to cause it to collapse.
   • The miners sapped the earth to reach the ore.

   同义词burrowexcavateminesubverttunnelundermineweaken

   反义词bolsterreinforcestrengthensupport