Those who work in a very cold area or at sea, smoke to keep their bodies warm.

那些在很冷的地方或者在海洋中工作的人们用烟来保持温暖。

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Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.

天然的浮质是由海盐、沙漠灰尘、火山爆发物与森林火情的烟雾产生的；

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A big black steamer with a long loop of smoke streaming, with the portholes lighted, with lights everywhere, is putting out to sea.

一艘庞大的黑色汽船吐出一道长长的烟圈，舷窗齐亮，灯火通明，正在离港出海。

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The flames are expected to destroy between 50 to 90 percent of the oil in that section, and winds should blow the resulting cloud of smoke and soot out to sea, said Lt.

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Natural aerosols are produced by sea salt, desert dust, volcanic eruptions and smoke from forest fires.

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"I remember seeing this tremendous sea of first-responder vehicles ... and smoke was coming out, " said Kelly, who was on his first stint as police commissioner.

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