The anemone, an inhabitant of deep-sea reefs, closes its jaws to trap its prey and to protect itself when threatened.

这种海葵生活在深海礁石上，通过合拢口部捕捉猎物或者受到威胁时保护自己。

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Fixes an issue where the quest is completed and the Ghost World portal correctly closes itself after the corresponding event has expired in all cases.

修复了一个问题，任务完成后，鬼世界门户网站正确关闭后，相应的事件在所有情况下已经过期。

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As they contract, the bell closes in on itself and ejects water to propel itself forward.

BBC: Robotic jellyfish fuelled by hydrogen invented