emergency [ɪ'mɝdʒənsi] 词频3 词根: merge

n. 紧急情况;突发事件;非常时刻; adj. 紧急的，应急的;

💡 e出+merg沉，没+ency名词后缀→突然出现的事情

"the hospital accident and emergency department"

近义：urgency, crisis, crunch, alarm, alert, eventuality 反义：postponable, adjournable

assistance [ə'sɪstəns] 词频2 词根: as

n. 帮助，援助;〈古〉出席，出席者;辅助设备;

💡 assist协助+ance名词后缀→ 援助

"ineligible for financial assistance"

近义：help, assist, attendance, presence, relief, succor 反义：helplessness, inattention, lassitude, loneliness, orphanhood, proscription

help [hɛlp] 词频1 词根: /hʌn/

vt.& vi. 帮助;有助于， 有利于; vt. 治疗;避免;招待（客人）;给…盛（饭、菜）; n. 帮助;助手;补救办法;有用; vi. （在餐桌旁）招待，侍应，作仆人（或店员、服务员等）; int. [呼救语]救命！;

💡 同义词：assist，aid

"He finally agreed, albeit reluctantly, to help us."

近义：assist, assuage, attend, succor, succour, support 反义：leave, neglect, quit, strand, desert, forsake