The water here is perfect, and we use the buoys to mark the different depth in order to ensure the swimmer's safety.

这里水质极好，水位由浅而深，不同深度的水位，设有浮标，标明水的深度。为前来游泳休憩的游客提供了绝对安全的保证。

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Logging cable magnetic mark, as the standard of perforating depth, lays an important role in the exploration and development of oilfield.

电缆磁性记号作为测井射孔的深度标准，在油田勘探开发中占有极其重要的地位。

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Let mark tonight with remembrance, let it be told to the future world that in the depth of bitterly cold winter, when nothing but dream and passion can survive, we together come forth to meet it!

让我们记住今晚，告诉未来的世界，在寒冷的冬季，当一切俱灭唯有梦想和激情可以生存，我们团结共同面对！

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Offshore zone: extends from the low water mark to a water depth of about 15 m (49 ft) and is permanently covered with water.

UNESCO: L O S S A R Y

Scarlets wing Mark Jones and Harlequins centre James are big losses, but Welsh rugby has strength in depth in the backs.

BBC: Wales call for Ospreys tyro