n.減少；減輕；緩和；減少額；（尤指）減稅額

Third, the costs of abatement are large. 第三，減少排放的代價(jià)是巨大的。

The abatement of the headache gave him a moment of rest. 頭痛減輕給他片刻的休息。

He couldn't make any offers, for that might be pleaded in abatement of what damages a jury might be inclined to give. 他不能出什么主意，因?yàn)樗麄円苍S會(huì)利用他所出的主意來減輕陪審官所定的罰金。