After an hour or two, a triangular fin sliced the surface of the water and circled the group.

约莫一两小时后，一尾三角鱼鳍划过水面，围着一群人转起了圈。

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Over the past two months, its also been reported that wholesalers have seen the price of shark fin drop by about 20%, as demand has slowly plummeted.

过去的两个月因需求持续低迷，鱼翅的批发价已下跌20%。

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The electric hot air curtain machine can be divided into two types of semiconductor thermal sensitive ceramic heater and a fin electric heating tube heater according to different heating materials.

电热风幕机根据加热材料不同可分为半导体热敏陶瓷加热器和翅片电热管加热器两种。

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The glossy black fin and back of a minke whale rose a hundred yards astern, two yellow-striped dolphins broke water and plunged down again, and then the flow of the turned tide could be seen as a chop on the water, small standing waves that indicated the Minch was reversing its direction.

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