learned

动词 learn:

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

形容词 learned:

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

1. His dedication should be learned by all of us.
   他的奉献精神值得我们学习。
2. We've learned algebra in middle school.
   我在中学就学过代数学。
3. I learned this piece of news from the newspaper this morning.
   我是今天早晨从报纸上知道这条消息的。
4. I learned this news from the newspaper.
   我从报纸上得知这个消息。
5. Most learned men are modest.
   大部分有学问的人都很谦虚。
6. I think he is a most learned man.
   我认为他是个很有学问的人。
7. He was learned in the ways of the world.
   他精通人情世故。
8. He is a learned doctor.
   他是一个医术高明的医生。

learn.ed

adj.（形容词）
Possessing or demonstrating profound, often systematic knowledge; erudite.
博学的：具有或显示出深奥并通常是系统的知识的；有学问的
Directed toward scholars:
学术性的：
例句：
a learned journal.
学术刊物

[lôrnd] Acquired by learning or experience:
[lôrnd] 学得的：通过学习或经验而获得的：
例句：
learned behavior; a learned response.
学来的行为；学来的反应

来源：
Middle English lerned [educated] [past participle of] lernen [to learn, teach] * see learn
中古英语 lerned [受过教育的] [] lernen的过去分词 [学习，教] *参见 learn

【引伸】
learn.edly
adv.（副词）
learn.edness
n.（名词）
<参考词汇><同义词>learned,erudite,scholarlyThe central meaning shared by these adjectives is .having or showing profound knowledge.:
这些形容词所共有的中心意思是.具有或显示出深奥的知识.：
例句：
a learned jurist;
有学识的法官；

例句：
an erudite professor;
博学的教授；

例句：
a scholarly treatise.
学术专著