The surface mark of an established plume is a hot spot—an isolated region of volcanoes and uplifted terrain located far from the edge of a surface plate.

一个已形成的烟羽的表面标志是一个热点——一个远离表面板块边缘的火山和隆起地形的孤立区域。

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We also put a mark at 0, the left edge.

我们还在 0 位置 —— 左侧边缘 —— 放置了一个标记。

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The COINS, made by the Philadelphia mint, were supposed to have the inscriptions "in God we Trust," "e Pluribus Unum," the date and the mint mark around the edge.

由费城制造的硬币边缘本应印有“我们信奉上帝”、“合众为一”、日期和厂记。

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The fifth-wicket partnership was worth 67 in 15.3 overs before Steve Harmison found Agarkar's edge, Mark Butcher taking a good diving catch at third man.

BBC: India hold slim advantage

Siddique, the 21-year-old left-hander, was eventually removed by Jacques Kallis, playing loosely outside off-stump to edge to wicketkeeper Mark Boucher.

BBC: Rain stalls S Africa victory bid

And Hughes, 20, had a nightmare start, slashing at a short Steyn delivery off the fourth ball of the first over and only succeeding in getting a faint under-edge through to Mark Boucher.

BBC: Australia recover from poor start