How it came about that snakes manufactured poison is a mystery.
蛇是怎样产生毒液的，这是一个谜。
新概念英语第四册
Lesson 20 Snake poison
📚 句中词汇解析
从本句中提取的重要词汇
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."
这是一个极其神秘和迷人的地方。
近义：arcanum, interrogation, puzzle, puzzler, secret, snag
n. 毒药;酒;极糟的食物;极有害的思想（或心情等）;
vt. 毒死;污染;放毒于;对…有不良影响;
adj. 有毒的;
"Some people exterminate garden insects by spraying poison on the plants."
有些人在植物上喷撒毒剂以杀死花园内的昆虫.
近义：intoxicate, empoison, envenom, evenom, rankle, sour
反义：detoxicate, detoxify, hush, appease, lull, assuage
a. 制造的, 已制成的
近义：artificial, made, manmade, produced, synthetic, synthetical
反义：native, raw, unprocessed, unrefined, crude