| 词汇 | by heart |
| 释义 | by heartby heart REMEMBERwhen you know something by heart, you remember all of it exactly 单凭记忆；能背诵 After a few days of phoning Stephanie, he knew her number by heart. 给斯蒂芬妮打了几天电话后，他记住她的电话号码了。 Actors have to learn their lines by heart. 演员必须记住台词。 → by heart at heart1(6) |
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