凭记忆

• without book
• from memory
• memorization
• by heart
• memoriter

参考释义

凭记忆 [píng jì yì]

• -

例句

1. 凭记忆讲，那是十年前的事了。
   Speaking from memory, I think it was ten years ago.
2. 我只是在凭记忆讲。
   I'm speaking only from memory.
3. 他凭记忆流利地说出了那些数字。
   He ran off the figures from memory.