arm n. 1. 胳膊 2. 武器（多用复数） A farewell To Arms 《永别了，武器》 同义词： equip
e.g. equipped with the new machine 1995年1月大学英语四级真题试卷：
The guards, except for two at the main
gate, are not armed.
造句：带上行李，我到了车站，希望能 赶上最后一班回家的火车。 Armed with my luggage, I went to the station hoping to catch the last train home.
The leader of the party was examining the soil near the entrance to the cave when the machine showed that there was gold under the ground. examine=carefully look at entrance n. 入口 the entrance to... e.g. the entrance to the cave 反义词：exit n. 出口 e.g. the exit to the cave
be used to do =be used for doing 可改写为：It has been used for detecting gold. ...which has been buried in the ground It has been used to detect gold buried in the ground.
e.g. He used to be a taxi driver. 3. would do主语是人，used to do主语 是人是物都可以。
e.g. There used to be a tree in the
backyard.
Armed with the new machine, a search party went into the cave hoping to find buried treasure.
arm v. 武装……，装备…… arm sb with sth e.g. The robber was armed with a gun. I was armed with a torch.
造句：一个当代的年轻人应该用知识来 装备自己。
A modern youth should be armed with knowledge.
Lesson 55
Not a gold mine 并非金矿
A small gold coin which was almost worthless.
Dreams of finding lost treasure almost came true recently.
gold n. 金子 (区别：platinum n. 铂, 白金) e.g. pure gold; a heart of gold All that glitters is not gold. 闪光的并非都是金子。
treasure n. 1. 金银财宝（通称词） e.g. buried treasure; hidden treasure; sunken treasure come true =come into reality
实现：realize, fulfill be realized ; be fulfilled Dreams of finding lost treasure were almost realized. Dreams of finding lost treasure were almost fulfilled. e.g. My dream of becoming a teacher came true. Joining Real Madrid is my dream come true.
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground. 过去分词作定语 a new machine called ... a new machine (which was) called …
gold常作定语，表示“金子的，金质的” e.g. gold mine; gold ring; gold medal 区分： golden adj. 金色的，金子般的，珍贵的 e.g. golden hair; golden opportunity; golden eye Speech is silver, but silence is golden. 雄辩是银，沉默是金。
it is said 插入语 据说：people say；they say
The pirates would often bury gold in the
cave and then fail to collect it. would +v（原） 过去常常做……
used to do 与 would d, always等词连用； 2. would do只表示过去习惯性的动作而 不能表示过去的状态，used to do两者都 可以；
The machine was used in a cave near the seashore where -- it is said -pirates used to hide gold.
分割性定语从句 定义：定语从句与先行词被隔开 英文中，习惯于短的东西放前，长的东西 放后，常把定语从句后移。 前提是先行词与定语从句中间插入的部分 不会引起歧义，通常不会太长，通常为介 词短语。