Bottom time
01
底部时间, 潜水时长
the duration a diver spends underwater during a single dive, typically measured from descent to ascent
语法信息
有生性状态
抽象
形态构成
复合词
可数
复数形式
bottom times
例子
His bottom time on that dive was 30 minutes.
他那次潜水的底部时间是30分钟。
底部时间, 潜水时长
他那次潜水的底部时间是30分钟。