have learned to

• Recently they had learned to cast light concrete boats
  最近他们学会了浇铸轻型水泥船。
• Recently they had learned to cast light concrete boats
  最近他们已学会了浇铸轻型水泥船。
• Within a few months , doodle had learned to walk well
  几个月内，嘟嘟已经很好地学会了走路。
• Then i wouldn ' t have learned to dance
  那我就永远也学不会跳舞了
• They have learned to scorn difficulties
  他们学会了藐视困难。
• As a result , humans have learned to respect feline independence
  结果是人们已经学会尊重猫的独立性。
• I had learned to live with hate
  我已经学会与仇恨一起生活。
• “ they have learned to adapt to urban situations , ” she said
  “他们已经学会适应城市的环境。 ”她说。
• As a result ， humans have learned to respect feline independence
  结果是人们已经学会尊重它们的独立性。
• As a result , humans have learned to respect feline independence
  结果，人们学会了对猫的独立性表示尊重。