| 单词 | sap |
| 释义 | sap2 /saep; saep/ n [C] tunnel or covered trench made to get nearer to the enemy (eg in a military strong-point or, formerly, a beseiged town). (接近敌人之军事据点或昔时被围之城池的) 地道; 对撮。 'sap-head n end of a sap nearest to the enemy. 地道之最接近敌人的一端。 vt, vi (-PP-) [VP6A, 2A] make a sap or saps; weaken (a wall, etc) by digging under it; (fig) destroy or weaken (sb's faith, confidence, etc). 挖地道; 在 (篙等) 下面挖掘而损坏之; (喻) 打击或削弱 (某人的信心，自信等) o sap.per n soldier engaged in making saps or (mod use) in engineering, eg road and bridge building. 挖航道之士兵; (现代用法) 工兵 (如从事筑路造桥者) 。 |
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