birthtongue

名词 n.

英文释义

名词 n.
  1. One's first language, learnt in early childhood; native language. rare
    — In replying timidly, Anita revealed her foreign accent, which was instantly observed. “You are American, of course? No? English? Ah, how stupid I am!" Forthwith he began to talk fluently in German, though Anita saw it was not his birthtongue.

词形变化

birthtongues plural birth-tongue alternative birth tongue alternative

词源

From Middle English burþe tonge, equivalent to birth + tongue.
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