A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一种叫“探宝器”的新机器已经发明出来，并被人们用来探测地下埋藏的金子。
新概念英语第二册
Lesson 55 Not a gold mine
📚 句中词汇解析
从本句中提取的重要词汇
n. 机器，机械;机械般的人;核心;
vt. 用机器制造，用机器加工;
vi. 被机器切削;
💡 mach机器+ine表名词 → 机器
"I called several times, but only got the answering machine."
我打了几次电话，但只有电话答录机答话。
近义：system, setup, engine, machinery, hardware, lathe
vt. 查明，发现;洞察;侦察，侦查;[电子学]检波;
💡 de打开+tect遮盖→把盖上的打开→ 发觉；看破
"The tests are designed to detect the disease early."
这些检查旨在早期查出疾病。
近义：apprehend, locate, note, notice, perceive, realize
反义：neglect, overleap, overlook, pass, pretermit, slight
adj. 用过的;习惯于;二手的;旧的;
v. 使用（ use的过去式和过去分词）;常常，经常;
"Things ain't what they used to be."
现在情况不比从前了。
近义：outworn, worn, utilized, wonted, accustomed
反义：unused, unworn
n. 金，黄金;金色;金币;金饰品;
adj. 金（制）的，含金的;金色的;金本位的;
💡 g(哥)+old(老):哥哥老了变成 金子{家有一老如有一宝} g(给)+old(老):给老人 黄金养老
"The general's uniform was trimmed with gold braid."
将军的制服饰有金色穗带。
近义：au, auric, golden
n. 地面，土地;基础;范围;阵地，战场;
vi. 搁浅，停飞;着陆;
vt. 把…放在地上;在…的基础树立上;交给…基本知识;使…受初步训练;
v. grind的过去式和过去分词;
"salt and freshly ground black pepper"
盐和新研磨的黑胡椒粉
近义：mount, rock, base, bed, bottom, bedrock