我们昨晚3分钟的安全停留，在第30分钟的时候浮出海面。

We did a three-minute safety stop, then surfaced at the 30-minute mark.

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按照他们的正常程序，船员部署好了标记线和5米深处从横梁到锚线的安全停留线。

Following their usual procedures, the boat crew deployed a tag line behind the boat and a safety line leading from the transom to the anchor line at a depth of 15 feet.

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为了达到更高的高度，我们能停留在我们感到安全和舒适的地方吗？

To reach high, can we stay where we feel safe and comfortable?

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