drill floor

名词 n.
中文释义

英文释义

名词 n.
  1. An area (especially in a drill hall) in which military drill is carried out
    — In the three weeks since, the city has repeatedly relocated evacuees on short notice. To reopen schools, it bused many to armories, turning drill floors into open dormitories for the first time since a 1980s lawsuit halted the practice.

词形变化

drill floors plural
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