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Bottom time
01
底時間, 潜水時間
the duration a diver spends underwater during a single dive, typically measured from descent to ascent
bottom time
n
例
Longer bottom time allows for more thorough exploration of marine life.
His bottom time on that dive was 30 minutes.
We aimed for a maximum bottom time of 45 minutes.
They extended their bottom time by conserving air.
We limited our bottom time to avoid decompression sickness.
