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caisson

n.弹药箱(车),沉箱(桥梁工程)

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caisson为短语/超纲词汇

caisson


/'keɪsn; `kesn/
n
1 large watertight box or chamber in which men can work under water (eg when building foundations) 沉箱(工人进行水下作业, 如建底座时所乘的大潜水箱).
2 large box (usu on wheels) in which ammunition is carried 弹药箱; (通常为)弹药车.

caisson


n[C]
[Date: 1600-1700; Language: French;Origin: caisse 'box', from Latin capsa; CASE1]
a large box filled with air, that people go into to work under water, for example when building bridges
a large box for carrying ammunition