The toothbrush has a 'top- loading' structure in which the cartridge is housed in a recess at the brush end of the toothbrush handle, the recess being accessible by removing the brush head.

该牙刷具有“顶部装载”结构体，其中所述筒容纳在位于 牙刷柄部的刷端的凹槽中，所述凹槽可通过移除牙刷头部而进入。

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If you need to brush up, you will find the resources outlined at the end of this article helpful.

如果您需要重新温习，您会发现本文结尾处所列出的参考资料会对您有所帮助。

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Marketing as a conversation: Engagement with end users and customers through social computing, transforming marketing from broad-brush communication to thousands of individual conversations.

对话式营销：通过社会计算与最终用户和客户进行约定，将营销从“撒大网”的沟通模式转换为成千上万的单独形式的对话。

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OCW Self learners are coming to OCW to explore whole new areas of study as well as to brush up on subjects that they took a while ago and perhaps got the rest in the end.

自学者浏览,搜索全新领域的研究,补充学过的科目的知识,使之完整。

麻省理工公开课 - 媒体、教育、市场课程节选

At each segment, the robot extends four mechanical arms equipped with a rotating cleaning brush at the end.

CNN: AFTER THE BANG

The remaining half of the country's goats, which are bred and raised for other purposes, including work as brush-clearers, can end up behind the butcher glass.

WSJ: Get Your Goat On

It took about a month to make all three paintings, a process that was slowed by Mr. Boyle's request that Mr. Cobb shoot stop-motion photographs every few brush strokes, for a sequence toward the end of the film in which the painting gets "unpainted" so that the audience can appreciate all the layers involved in creating the work.

WSJ: Forging Ahead With a Goya Classic