| 单词 | blockhouse |
| 释义 | blockhouse [`bläk´hau̇s] ENGINEERING 1. A reinforced concrete structure, often built underground or half-underground, and sometimes dome-shaped, to provide protection against blast, heat, or explosion during rocket launchings or related activities, and usually housing electronic equipment used in launching the rocket. 2. The activity that goes on in such a structure. |
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