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clearance

英 ['klɪər(ə)ns] 美['klɪrəns]
英英释义 实用场景例句
  • n. 清除；空隙

英英释意

1. the distance by which one thing clears another; the space between them
2. vertical space available to allow easy passage under something
3. permission to proceed;
"the plane was given clearance to land"