tas
📖 中文释义
- 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)
- n a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite