| 单词 | porthole |
| 释义 | porthole /pawrt"hohl', pohrt"-/, n. 1. a round, windowlike opening with a hinged, watertight glass cover in the side of a vessel for admitting air and light. Cf. port4 (def. 1). 2. an opening in a wall, door, etc., as one through which to shoot. [1585-95; PORT4 + HOLE] |
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