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tas

📖 中文释义

  1. abbr. 旅游者援助协会(Traveler ' s Aid Society);电话接听系统(Telephone Answering System);实际空速(True Airspeed);印字电报机自动换接(Teleprinter Automatic Switching)

🧩 词形变化

原形 ta
📘 English Definition(英文释义)
  1. n a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite