reclaim与claim用法有何区别？

reclaim
[ri5kleim]
vt.
开垦, 开拓
改造, 使悔改, 感化
(从废料中)回收, 利用
reclaim land from the sea
填海拓地
reclaim sb. from vice
使某人改邪归正
reclaim valuable materials from wastes
从废物中回收有价值的材料

claim
[kleim]
vt.
（根据权利）要求， 索取， 索赔， 认领， 申请
主张， 声称， 自称， 断言
值得， 需要重视〔注意〕
claim a large amount against him
要求他赔偿大量金额
Every citizen may claim the protection of the law.
每一公民均可要求法律的保护。
Does anyone claim this umbrella?
有没有人认领这把伞？
He claimed that he had done the work without help.
他声称没有得到帮助而完成了这项工作。
There are several matters that claim my attention.
有好几件事值得我注意。

reclaim1
KK: []
DJ: []
vt.
1. 使改过,使悔改,教化[(+from)]
reclaim somebody from a life of vice
使某人改邪归正
2. 开垦,开拓[(+from)]
3. 回收利用[(+from)]
4. 【旧】驯服,降服
n.
1. 改造,感化[U]
reclaim2
KK: []
DJ: []
vt.
1. 要求收回,要求恢复;试图取回
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