head·room 
(hĕdrm′, -rm′)
(hĕdrm′, -rm′)n.
1. Space above one's head, as in a motor vehicle, above a doorway, or in a tunnel; clearance.
2. See dynamic headroom.
| 单词 | headroom |
| 释义 | head·room (hĕdrm′, -rm′)n. 1. Space above one's head, as in a motor vehicle, above a doorway, or in a tunnel; clearance. 2. See dynamic headroom. |
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