如果留意一下参加奥斯卡颁奖典礼的格温妮丝，你会发现她的头发很具动感，并不是那种呆板、笔直的直发。
If you look at Gwyneth (at the Oscars), the hair was moving. It was not stiff, straight-down hair.
在石油天然气钻井施工过程中，常常造成钻具接头磨损、偏磨及丝扣粘连，这是引起钻具损坏进而演化为井下事故的主要原因之一。
In the construction process of oil and gas drilling, the joint drill wear, eccentric wear and threaded partial adhesion caused drilling damage and then evolved into the major mine accidents.
藻丝的营养细胞是扁平的，具异形胞。
The filament possesses oblate cell for nutrition and heterocyst.
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