Organic compound between fluorocarbon and resin, soft and smooth body lines, easy casting.

氟碳树脂有机复合，线体柔韧结构不同，易于抛投。

youdao

When not in use, the fins are tucked into special grooves or depressions so that they lie flush with the body and do not break up its smooth contours.

当鱼不使用鱼鳍时，会将它们折叠起来，收回到特殊的沟槽或者凹陷部位；这样鱼鳍就可以与身体保持齐平，以维持它们平滑的外形。

youdao

Most species lack scales over most of the body, making it smooth and slippery.

大多数物种身体上的大部分面积都没有鳞片，这使得它们很光滑。

youdao

He pulled her to the bed and his body was smooth and taut through his shirt.

NEWYORKER: Deniers

The plane's racy design, smooth fiberglass-composite body, BMW-like interior, dazzling computer instrumentation and an onboard parachute ready to float both the plane and passengers to a life-saving landing, if necessary, formed a clean break from the past.

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The smooth, elegant movement of the body starts from the low, compact hood, moves through the iconic shoulder character line and on toward the large rear spoiler.

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