case [kes] 词频1 词根: 切开

n. （实）例，事例;情况，状况;诉讼（事件），案件，判例;容器（箱，盒）; vt. 把…装入箱（或盒等）内;加盖于;包围，围住;[俚语]（尤指盗窃前）探察，侦查，窥测;

💡 cas(to fall)+e→事件；事情；场合；状态；诉讼事件；患者

"They filed an application to have their case heard early."

近义：incident, instance, occasion, occurrence, opportunity, circumstance

exceed [ɪk'sid] 词频2 词根: cede

vt. 超过;超越;胜过;越过…的界限; vi. 突出，领先;

💡 ex出，出去+ceed走→走出→超出

"Where payments exceed these limits they become fully taxable."

近义：outdistance, outdo, outgo, outmatch, outrange, outrank

must [mʌst] 词频1

aux. 必须;必然要;（做出逻辑推断）;（表示坚持）; n. 必须做的事，必不可少的事物;葡萄汁;霉臭;麝香; vt.& vi. （表示必要或很重要）必须;（提出建议）应该;得;（表示很可能或符合逻辑）一定; adj. 不可或缺的;狂暴的;

"You must be able to speak French for this job."

近义：ought, should, necessaries, necessity, precondition, prerequisite

measurements

n. 测量值, 尺寸（measurement的复数）