sapping

1.[u]（植物体内运送养分的）液，汁the liquid in a plant or tree that carries food to all its parts

1.使虚弱；削弱；逐渐破坏to make sth/sb weaker; to destroy sth gradually

1.体液,生命液;元气,精力,活力

2.【军】(袭击敌人用的)坑道,对壕

3.树液,(树皮下的)白木质

4.暗中的破坏,逐步的损坏,削弱

5.〈俚〉用功读书的人;埋头工作的人

6.〈口〉讨厌的工作,苦活

7.〈美俚〉同“saphead”

8.〈美俚〉棍子

9.坑道的挖掘

1.榨取...的树液;去除...的白木质;使衰弱[衰竭]

2.〈美俚〉用棍子打

3.(在...下面)挖掘使倒塌;(使)逐渐损坏,(使)逐渐削弱

4.挖坑道进攻[逼近]

5.(水等)逐渐浸蚀

6.暗中颠覆

7.〈俚〉死用功

1.(=semi-armour-piercing)半穿甲

1.Same as saphead

2.a sticky substance found in plants and trees

3.someone who trusts people too much and can easily be cheated

1.to make someone feel weak

1.(=semi-armour-piercing)