The seed has an outer coating that surrounds the genetic material of the new plant, and inside this covering is a concentrated supply of nutrients.

种子有一层外壳，包裹着新植物的遗传物质，外壳内部是集中的营养供应。

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Initially, the plan to power the robot involved covering its surface with solar cells that would charge a lithium polymer battery inside.

最初计划用覆盖在机器人表面的太阳能电池板给内部的锂聚合物电电池充电来给机器人供电。

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When it grew dark, she turned a suitcase into a bed and put the children inside it, covering them with all the clothes she could find.

天黑下来的时候，她把提箱当作小床，把两个孩子放了进去，又把所有能找到的衣服都盖在了孩子们身上。

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Then they break off the covering of the seeds so that only the inside fruit, or nibs,remain.

VOA: special.2010.02.17

Ulster stretched their lead in the 14th minute when Wallace jinked inside the covering defence to score at the posts.

BBC: Ulster cruise to victory

Centre Davies kept his composure before finding Stoddart on his outside and the wing stepped inside the covering Ben Youngs to go over at the corner.

BBC: Scarlets 18-32 Leicester Tigers

Malbranque carried the ball into the Birmingham half before feeding Bent on the edge of the area and the England man turned inside the covering Birmingham defender and fired past Joe Hart.

BBC: Sunderland 3-1 Birmingham