learnt的解释，在云词典中learnt是什么意思？

learnt

vbl.
learn的过去式和过去分词

A conservative is a man with two perfectly good legs who has never learnt to walk.
保守主义者，是生有完完整整的两条腿而从未学过走路的人。
All of us took the news hard when we learnt that the missing child had been given up at last.
当我们得知那走失的小孩被认为确实丢了，而不再被寻找时，心里觉得很痛苦。
As I soon learnt, he was English himself!
那时我才明白，原来他也是英国人！
Have you learnt your lessons?
你的功课学会了吗？
Have you learnt your part yet?
你的台词背熟了吗？
He learnt to set type there.
他在那里学会排字。
His mother learnt about her son's success in the newspapers.
他的母亲是从报纸上知道她儿子成功的消息的。
I have learnt much from her deep concern for her patients.
从她对病人的深切关怀，我学到很多东西。
I have learnt my lesson.
我受到教训了。
I wish to furbish up the Russian I learnt at college.
我要重温一下我在大学里学过的俄语。