So silent and constant is the presence of the sea that I may go most of a day without observing it, or even registering that it is there.

大海是如此长久地沉默着，使得我一天中的大部分时间都没有注意观察它，或是甚至没有留意到它就在那儿。

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Although the humidity is relatively high, the constant cool sea breezes keep the air moving and the heat mitigated.

尽管湿度相对较高，但阵阵吹来的凉爽海风让空气一直很畅通，且降低了热度。

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Since life depends on water, it has been man's constant companion from the moment his forebears emerged from the sea and, you could say, even before.

水乃生命之源，自人类祖先诞生于海洋的那一天起，或许更早，水就一直都是人类不离不弃的伙伴。

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At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.

WSJ: The Oil Disaster Is About Human, Not System, Failure

Photographer Neil A White's Lost Villages project documents this constant battle between the North Sea and the land in this part of the British Isles, one that endures the highest rate of coastal erosion in Europe.

BBC: Lost villages

Great white sharks are attracted to the warm ocean currents along Australia's southern coastline and are a constant concern for divers who work in the sea.

CNN: Divers embrace anti-shark device