origin ['ɔrɪdʒɪn] 词频2 词根: ori

n. 起源，根源;出身;[数]原点，起点;[解]（筋，神经的）起端;

💡 origin=orig升起，开始→[生命]开始→起源

"Living conditions are vastly different from those pertaining in their country of origin."

近义：inception, nascence, nascency, onset, rising, root 反义：outcome, pause, result, stop, suspension, termination

mystery ['mɪstri] 词频2 词根: myst

n. 秘密，谜;神秘，神秘的事物;推理小说，推理剧;常作 mysteries 秘技，秘诀;

💡 myst, myth 【希腊传入拉丁】表”秘密”

"It was a place of deep mystery and enchantment."

近义：arcanum, interrogation, puzzle, puzzler, secret, snag

still [stɪl] 词频1

adv. 仍，仍然;更，还要;静静地;〈诗〉常，不断地; adj. 不动的，静止的;不狂暴的，温柔的;没有活力的，死气沉沉的; n. 平静，寂静;剧照;静止摄影;蒸馏器; vt.& vi. （使某物）平静下来，安静;〈古〉烧（酒），蒸馏; conj. 但是;然而;

"Although he's nearly 80, he is still very active."

近义：hush, appease, lull, assuage, mollify, pacify 反义：incite, perturb, shake, trouble, upheave, upset