短語詞組短語open a letter 拆信;把信打開to open a letter 拆信rip open a letter 撕開一封信;把信撕開Open Fly Letter 開通飛信Open negotiation letter of credit 公開議付信用證rip open a letter detail 把信撕開open account letter of credit 開出計算信用證tear open a letter detail 撕開信封 返回 open letter