signature ['sɪgnətʃɚ] 词频3 词根: sign

n. 签名;署名;识别标志，鲜明特征;[医]药的用法说明;

💡 signa=sign记号 + ture表名词→签名

"On further examination it was found that the signature was not genuine."

近义：peculiar, typic, typical, vintage, characteristic, distinctive

sure [ʃʊr] 词频1

adj. 确信的，确实的;有把握的;无疑的;一定的; adv. 当然;确实地;无疑地;

"Make sure the shelf is aligned with the top of the cupboard."

近义：inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable 反义：hesitant, hesitative, imprecise, improbable, inconclusive, indecisive

original [ə'ridʒənəl] 词频1 词根: 上升

adj. 原始的;独创的;最初的;新颖的; n. 原文;原型;原件;怪人;

💡 ori(orient东方)+gin(gene)+al: 原先的 最早的

"Hitler's original plan was to kill off all the German Jews."

近义：archetype, model, paradigm, pattern, prototype, standard 反义：image, remake, replica, replication, reproduction, tenor

copy ['kɑpi] 词频1

n. 复制品;一份;（报刊等的）稿件;准备排印的书面材料; vt.& vi. 复制;抄写;容许复制的; vt. 模仿;仿造…的样式或图案;抄写;复制;

💡 音“拷贝

"She is a carbon copy of her sister."

近义：recopy, reduplicate, replicate, reproduce, trace, transcribe 反义：indite, innovate, invent, make, manufacture, mold

faxed

v. 传真传输( fax的过去式和过去分词 ); 传真（文档、信件等）