動詞 learn:

1. gain knowledge or skills
   同義詞：learn, larn, acquire
2. get to know or become aware of, usually accidentally
   同義詞：learn, hear, get word, get wind, pick up, find out, get a line, discover, see
3. commit to memory; learn by heart
   同義詞：memorize, memorise, con, learn
4. be a student of a certain subject
   同義詞：learn, study, read, take
5. impart skills or knowledge to
   同義詞：teach, learn, instruct
6. find out, learn, or determine with certainty, usually by making an inquiry or other effort
   同義詞：determine, check, find out, see, ascertain, watch, learn

形容詞 learned:

1. having or showing profound knowledge
   同義詞：erudite
2. highly educated; having extensive information or understanding
   同義詞：enlightened, knowing, knowledgeable, lettered, well-educated, well-read
3. established by conditioning or learning
   同義詞：conditioned
4. acquired by learning

1. His dedication should be learned by all of us.
   他的奉獻精神值得我們學習。
2. We've learned algebra in middle school.
   我在中學就學過代數(shù)學。
3. I learned this piece of news from the newspaper this morning.
   我是今天早晨從報紙上知道這條消息的。
4. I learned this news from the newspaper.
   我從報紙上得知這個消息。
5. Most learned men are modest.
   大部分有學問的人都很謙虛。
6. I think he is a most learned man.
   我認為他是個很有學問的人。
7. He was learned in the ways of the world.
   他精通人情世故。
8. He is a learned doctor.
   他是一個醫(yī)術高明的醫(yī)生。

learn.ed

adj.（形容詞）
Possessing or demonstrating profound, often systematic knowledge; erudite.
博學的：具有或顯示出深奧并通常是系統(tǒng)的知識的；有學問的
Directed toward scholars:
學術性的：
例句：
a learned journal.
學術刊物

[lôrnd] Acquired by learning or experience:
[lôrnd] 學得的：通過學習或經(jīng)驗而獲得的：
例句：
learned behavior; a learned response.
學來的行為；學來的反應

來源：
Middle English lerned [educated] [past participle of] lernen [to learn, teach] * see learn
中古英語 lerned [受過教育的] [] lernen的過去分詞 [學習，教] *參見 learn

【引伸】
learn.edly
adv.（副詞）
learn.edness
n.（名詞）
<參考詞匯><同義詞>learned,erudite,scholarlyThe central meaning shared by these adjectives is .having or showing profound knowledge.:
這些形容詞所共有的中心意思是.具有或顯示出深奧的知識.：
例句：
a learned jurist;
有學識的法官；

例句：
an erudite professor;
博學的教授；

例句：
a scholarly treatise.
學術專著