usually ['juʒuəli] 词频1 词根: 使用

adv. 通常，经常，平常，惯常地;一直，向来;动不动，一般;素;

💡 usual通常的+ly副词后缀→通常地，惯常地

"The discovery of distillation is usually accredited to the Arabs of the 11th century."

近义：invariably, mostly, normally, oft, often, oftentimes 反义：infrequently, occasionally, seldom, sometimes

accept [ə'ksɛpt] 词频1 词根: spec

vi. 承认;同意;承兑; vt. 接受;承认;承担;承兑;

💡 ac一再+cept拿→接受；承认

"The evidence was so compelling that he felt constrained to accept it."

近义：honor, permit, avow, receive, recognize, tolerate 反义：refuse, reject, snub, spurn, decline, disavow

payment ['pemənt] 词频2

n. 付款，支付;报酬，报答;偿还;惩罚，报应;

💡 pay 付款+ ment 表示行为、行为的过程或结果 → n.支付，支付的款项

"We are saving for a down payment on a house."

近义：outlay, pay, paying, payoff, retribution, defrayal 反义：cashing, collection, encashment

irrevocable [ɪ'rɛvəkəbl] 词根: ir

adj. 不能取消的;不可改变的;不能挽回的;

💡 ir不 + re 回 + voc喊 + able 可...的 →不可以喊回来的 → 不可改变的；不能取消的；不能挽回的

"The bank has made out an irrevocable letter of credit."

近义：indefeasible, irreversible, unrepealable 反义：appealable, avoidable, repealable, reversible, revokable, voidable

against [ə'ɡɛnst] 词频1

prep. 反对;对…不利;紧靠;以防;

💡 gain =against (反对)#词根助记：反对

"Ten people voted in favour, five against and two abstained."

近义：athwart, agin