[英][?nd?fa?nd][美][?nd?fa?nd]
adj.未闡明的; 未限定的;
例句:
1.
However, steele believes her fashion sense is still undefined.
然而，斯蒂爾認為，凱特的時尚感覺仍不明確。
2.
So if you check to see if something is undefined, but undefined has been changed, yourcomparison will not work.
所以如果妳要通過檢查來了解某個東西是否是未定義的，可未定義已被改變，則妳的匹對將無效。