explain [ɪk'splen] 词频1 词根: plain

vt.& vi. 讲解，解释; vt. 说明…的原因，辩解; vi. 说明，解释，辩解;

💡 ex 出+ plain清楚的→ 说清楚的 → 解释

"The factory manager used a flowchart to explain the production process."

近义：justify, illustrate, pose, prove, rede, resolve 反义：implicate, mat, muddle, mystify, ravel, snag

convenient [kən'vi:njənt] 词频2 词根: 行走

adj. 方便的;[废语]适当的;[口语]近便的;实用的;

💡 方便面 convenient noodles

"It is very convenient to pay by credit card."

近义：helpful, profitable, recommendable, useful, valuable, benefic 反义：unfit, inadequate, inappropriate, isolated, deserted

plans

n. 计划；规划（plan的复数）

近义：arrangements, preparations