| 单词 | ground speed |
| 释义 | ground speed ˈground ˌspeed noun [C usually singular] SPECIALIZED ► F0 An aircraft's ground speed is its speed when measured against the ground rather than the air through which it moves.Thesaurus+: ↑Speed of motionThesaurus+: ↑Aviation , ↑Travelling by aircraft , ↑Movement through the air |
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