There are no active volcanoes in the Coral Sea area, undersea or above sea level. The buoy in question rode above the deep trench just north of the Coral Sea Islands.

珊瑚海地域的海下河海表面之上都没有活跃的火山，而被谈及的这个浮标就在珊瑚海诸岛屿北面的深深的海沟上边。

youdao

Buoy floats on the sea to mark a safe or dangerous area.

浮标漂浮在海上标记出安全和危险区域。

youdao

Just for a minute or two, and I saw buoy sinking, there must be a fish took.

刚钓一两分钟，我就看见浮标往下沉，一定是有鱼上钩了。

youdao

Overall the move seems like a good one for Napster -- which may or may not be seeking suitors to help buoy its stock price -- and for fans of Japanese music as well, because now we know that our Kahimi Karie and Pizzicato Five albums deserve to fetch much more on eBay than the usual crap we try to unload.

ENGADGET: Napster Japan goes live

If not, the dividend should buoy the stock enough until we make a decision to keep it or not.

FORBES: Three Unloved Oil Buys

Amazon is banking on downstream sales of content to buoy its bottom line, which is something that the likes of Samsung, or for that matter even Apple, cannot rely on.

FORBES: Five Companies That Are In Line To Dominate The Post-PC World