mistake [mɪ'stek] 词频1 词根: mis

n. 错误，过失，误解;差错，口误，笔误;失策，失误; vt.& vi. 弄错，误解; vt. 认不出;误会;看错; vi. 弄错;误解;

💡 mis错误，坏+take拿→拿错→错误

"It has now become evident to us that a mistake has been made."

近义：miscalculate, misdeem, miss, confuse, fail, inaccuracy 反义：arrival, success, triumph, victory, achievement

invoice ['ɪnvɔɪs] 词根: 路

n. 发票;发货单; v. 开发票;记清单;

💡 in(on)+vo(way)+ice(名词后缀)→发票

"The seller has to issue a tax invoice."

近义：bill, charge, check, debit, tab, chit 反义：honor, liquidate, cash

calling ['kɔ:liŋ] 词频5

n. 呼喊;（从事某职业或活动的）欲望;职业;邀请; v. 叫( call的现在分词);通电话;认为;估计;

"He realized that his calling was to preach the gospel."

近义：invocation, paging, summoning, summons, beck, prayer

last [læst] 词频1 词根: /lə/

n. 末尾;最后;上个;鞋楦（做鞋的模型）; vt. 经受住;到…之后;够用;足够维持（尤指某段时间）; adj. 最近的;最后的;最不可能的;惟一剩下的; vi. 持续; adv. 上一次，最近一次;最后;

"The two sides signed a peace accord last July."

近义：live, persist, stand, subsist, survive, hindermost 反义：part, croak, decease, depart, die, expire