\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
原级：koan
koans的意思
第三人称复数：koan; koans
koans的解释
1. Several koans are so common that you have probably heard of them. 有些公案很常见，你可能听说过它们。