| 单词 | free-fall |
| 释义 | free-fall /free"fawl'/, v. , free-fell, free-fallen, free-falling, adj. , n. v.i. 1. (of parachutists) to descend initially, as for a designated interval, in a free fall: The jumpers were required to free-fall for eight seconds. adj. 2. denoting or suggesting a free fall: a free-fall recession. n. 3. free fall (defs. 1, 2). |
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