| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024sap1 /sæp/USA pronunciation n. - Botany[uncountable] a watery juice that passes through the tissues of a plant.
- [countable] someone who is easily tricked or fooled;
dupe.
sap2 /sæp/USA pronunciation v. [~ + object], sapped, sap•ping. - to weaken or destroy in a gradual way;
drain:Over time the disease sapped his strength.
WordReference Random House Unabridged Dictionary of American English © 2024sap1 (sap),USA pronunciation n., v., sapped, sap•ping. n. - Botanythe juice or vital circulating fluid of a plant, esp. of a woody plant.
- Anatomyany vital body fluid.
- energy;
vitality. - Botanysapwood.
- Slang Termsa fool;
dupe. - Metallurgysoft metal at the core of a bar of blister steel.
v.t. - to drain the sap from.
- bef. 900; Middle English; Old English sæp; cognate with Dutch sap; akin to German Saft juice, Old Norse safi; in def. 5 a shortening of saphead
- [Fort.]a deep, narrow trench constructed so as to form an approach to a besieged place or an enemy's position.
v.t. - [Fort.]
- to approach (a besieged place or an enemy position) by means of deep, narrow trenches protected by gabions or parapets.
- to dig such trenches in (ground).
- to undermine;
weaken or destroy insidiously.
v.i. - [Fort.]to dig a sap.
- ?)
- Italian zappare, a military term, based on zappa hoe (compare dialect, dialectal Italian zappo he-goat
- French sape (noun, nominal), derivative of saper to dig a trench
- 1585–95
- 3.See corresponding entry in Unabridged impair, enfeeble, deplete, exhaust, enervate.
Collins Concise English Dictionary © HarperCollins Publishers:: sap /sæp/ n - a solution of mineral salts, sugars, etc, that circulates in a plant
- any vital body fluid
- energy; vigour
- slang a gullible or foolish person
- another name for sapwood
vb (saps, sapping, sapped)(transitive)- to drain of sap
Etymology: Old English sæp; related to Old High German sapf, German Saft juice, Middle Low German sapp, Sanskrit sabar milk juice sap /sæp/ n - a deep and narrow trench used to approach or undermine an enemy position, esp in siege warfare
vb (saps, sapping, sapped)- to undermine (a fortification, etc) by digging saps
- (transitive) to weaken
Etymology: 16th Century zappe, from Italian zappa spade, of uncertain origin; perhaps from Old Italian (dialect) zappo a goat |