dropshaft

名词 n.
中文释义

英文释义

名词 n.
  1. A vertical shaft which objects can drop through.
    — Melas said that district engineers had located Deep Tunnel dropshafts that were near a portion of the freight tunnels and that they would drill, cut or blast through to the flooded areas "as soon as possible."

词形变化

dropshafts plural drop shaft alternative drop-shaft alternative

词源

Compound of drop + shaft.
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