adj.挣得的；赚的
动词earn的过去式和过去分词.
They earned enough to buy their clothes and books. 他们挣得的钱足够买衣服和书本了。
He has earned as much money as I have. 他赚的钱和我赚的一样多。
Double what he had earned in nineteen years. 是他在十九年里所赚的一倍。
adj.有学问的；博学的
动词learn的过去式和过去分词.
adj.不劳而获的；不应得到的
v.渴望；想念；盼望；同情
adj.无学问的；不熟练的；未学过的；不学而知的
unlearn的过去式和过去分词.
adv.博学地(学术上地；经过训练学到地)
