best friend
US /ˌbest ˈfrend/
UK /ˌbest ˈfrend/

名詞
1.
最好的朋友, 摯友
a person's closest friend
範例:
•
She told her best friend everything.
她把一切都告訴了她的最好的朋友。
•
He and his best friend have known each other since childhood.
他和他的最好的朋友從小就認識。
在 Lingoland 學習這個單詞