countervail

动词 countervail:

1. compensate for or counterbalance
   同义词：offset
2. oppose and mitigate the effects of by contrary actions
   同义词：counteract, neutralize, counterbalance

coun.ter.vail

v.（动词）
coun.ter.vailed,coun.ter.vail.ing,coun.ter.vails
v.tr.（及物动词）
To act against with equal force; counteract.
用同等的力来反抗；抵消
To compensate for; offset.
补偿；抵消
v.intr.（不及物动词）
To act against an often detrimental influence or power.
对抗：对抗一种通常有害的影响或力量

来源：
Middle English countrevaillen
中古英语 countrevaillen
from Old French contrevaloir contrevail-
源自 古法语 contrevaloir contrevail-
contre- [counter-]
contre- [反，逆]
valoir [to be worth] from Latin valôre [to be strong] * see wal-
valoir [值得] 源自 拉丁语 valôre [强壮] *参见 wal-