account [ə'kaʊnt] 词频2 词根: ac

n. 账，账目;存款;记述，报告;理由; vi. 解释;导致;报账; vt. 认为;把…视作;

💡 ac一再+count计算→计算，算账

"I don't have a bank account."

近义：numeration, reckoning, score, tally, count, counting

open ['opən] 词频1

adj. 敞开的，开着的;公开的，公共的;坦率的;有议论余地的; vt.& vi. （打）开;开始;睁开;启动; n. 户外，野外;空旷;公开; vi. 使打开;展示，显现; vt. 张开;开放;开张营业;为（建筑物）揭幕;

💡 打开圆(o)盒,取出钢笔

"The tournament is open to both amateurs and professionals."

近义：unclose, unlatch, unlock, unseal, inaugurate, incise 反义：lock, seal, shut, stitch, tuft

checking

[计] 检查的\\n[化] 校核; 检验; 浅裂纹

近义：ascertainment, proof, proving, ratification, test, verification