The massive sea creatures, called Echizen kurage in Japanese, measure up to six feet (1.83 meters) in diameter and weigh more than 450 pounds (204 kilos).

大型水生生物越前水母直径达六英尺（1.83米），重量超过450磅（204千克）。

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Synopsis Echizen Ryoma is a young tennis was in the United States won the fourth consecutive tennis expert, left-handed, the story to learn from Ma into the blue, after formally began.

剧情简介越前龙马是个曾经在美国夺得青少年网球四连霸的网球高手，惯用左手，故事就从龙马进入青学之后，正式拉开了序幕。

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Prof Echizen said the glasses, which connect to a pocket power supply, would be reasonably priced, but there are some simpler alternatives.

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But recently fishermen off the coast of Japan have as often been pulling in jellyfish: the giant echizen kurage, Nomura's jellyfish, which can be over a metre across and weigh more than 150 kilos (330lbs).

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