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

The key variables driving cost are size and type of order, special versus standard order, and so on, not high-loyalty versus divided-loyalty customers.

驱动成本的关键变量是订单的大小和类型、特殊订单与标准订单等等，而不是在于高忠诚度还是忠诚度不同的客户。

youdao

It was so special that she could not believe it.

感受如此独特，让她难以置信。

youdao

And you have to run a campaign that does not take money from lobbyists or special interests -- so you are not beholden to the people who are corrupting our system by the time you get to Washington.

CNN: Edwards' October 13, 2007, speech on restoring democracy

The majority of a sporting events are not like this, not so stressful and mind-rattling and consequential you have to be special and lucky to even encounter stakes like the ones Scott and Cabrera were facing.

WSJ: Masters: Thumbs Up to a Great Duel��Adam Scott, Angel Cabrera

That is on the fringe of the area that attracts London cost-of-living allowances, so he will not benefit from the special deal for inner London.

BBC: Teachers angry at pay 'freeze'