Part of its original intent was to provide teachers with the raw materials to lead a course, especially in the outer reaches of the globe.

其最开始的本意是想给老师们提供原材料使他们能站在科研的前沿，特别是在外太空领域。

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To facilitate their combination with needle roller and cage assemblies or the outer ring assembly of needle roller bearings, they have a lead-in at each side of the raceway.

为便于与滚针轴承的滚针和保持架组件或外圈组件结合，内圈在滚道两侧有引入槽。

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The Outer Hebrides Transport Group said removing road equivalent tariff (RET) from freight would lead to a 175% increase in travel costs from April.

BBC: Western Isles firms join ferry fares campaign