glacial sapping挖掘作用
hot sapping如热插拔
basal sapping基部掏蚀;下切
landslide sapping基蚀山崩
sapping pests吸汁害虫
Strength Sapping Away战斗力正在流失
sapping of confidence逐渐失去了信心
glacial boulder sapping冰川挖掘
V-T（及物动词） If something saps your strength or confidence, it gradually weakens or destroys it. 消耗; 削弱
I was afraid the sickness had sapped my strength.
恐怕这场病已经消耗了我的力气。
V-T（及物动词） to undermine (a fortification, etc) by digging saps 挖地道以摧毁(工事等)
N-UNCOUNT（不可数名词） Sap is the watery liquid in plants and trees. (植物的) 汁液
The leaves, bark and sap are also common ingredients of local herbal remedies.
树叶、树皮和树液也是当地草药疗法的常用药材。
N-COUNT（可数名词） a gullible or foolish person 容易上当的人 [slang]
N-COUNT（可数名词） energy; vigour 精力
N-COUNT（可数名词） a deep and narrow trench used to approach or undermine an enemy position, esp in siege warfare 地道