dug iron

基本解释

Man dug iron out of the earth and by the help of his new fire made weapons that were sharper than the lion's teeth;
人类从地里挖出铁矿，用火炼成比狮子尖锐的牙齿更坚韧的武器；
Now he believed that where there was a key, there must also be a lock, so he dug in the ground and found a little iron chest.
他想，既然钥匙在，锁也一定就在附近，便往地里挖，挖出了个铁盒子。
Now he believed that where there was a key, there must also be a lock, so he dug in the ground and found a little iron chest.
他相信这儿既然有一把钥匙，肯定也有一把锁，他在地面深处找到了一个小铁箱。

Since metal detectors are designed to distinguish gold from iron junk, he dug whenever the machine told him he was passing over rubbish.
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