se-是拉丁語源的介副詞性質(zhì)的原生詞綴，它只出現(xiàn)在拉丁動詞詞根前面，其意思相當(dāng)于aside，apart或away，即表亦“相離”之意。sed-是se-的異體，用在元音字母之前，在英語中極為少見。

下面介紹6個常見的帶se-的原生詞。

secede [ se- = apart 離;ced = to go 走；-e=>“to go apart 離開”→] v. withdraw formally from an organization 退出；脫離 / The Confederacy was composed of southern states that seceded from the Union. 南部聯(lián)邦是由脫離合眾國的南方各州組成的。

secession n. 退出；脫離

secure [ se- = apart 離開；cur = care 煩惱；-e=>“apart or free from care 離開煩惱的境地”→] I a. safe against loss, attack, or danger 安全的，安心的，保險的 / This is a secure hiding place. 這是一個安全的藏身之地。II vt. make safe; protect使安全；保衛(wèi) / You can secure yourself against all dangers. 你可以使自己免受一切危險。

security n. 安全，安全感；保證；擔(dān)保

seduce [se- = aside 離偏；due = to lead 引導(dǎo)；-e=>“to lead sb. aside 將某人引偏了 ”→] vt. lead astray; persuade to do wrong 引誘；誘使…墮落 / He was seduced by the offer of big money and joined the conspiracy. 他被人家的重金許諾所誘惑，參與了陰謀活動。

seduction n. 誘惑；勾引；誘奸 

seductive a. 誘惑的；誘人墮落的