Nghĩa (Tiếng Anh)

  1. Of or relating to operations, especially military operations.
  2. Functioning and ready for use.
  3. Effective or operative.
  4. Determined by means of practical measures.

Tính thường xuyên

C1
Phát âm là (IPA)
/ɔpɜˈɹeɪʃənəl/
Từ nguyên (Tiếng Anh)

From operation + -al.

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