Last Updated：2025/12/07
Sentence
海洋生物学者たちは海底の熱水噴出孔の周辺で驚くべき生態系を発見した。
Quizzes for review
Marine biologists discovered a surprising ecosystem around the hydrothermal vents on the oceanbed.
See correct answer
Marine biologists discovered a surprising ecosystem around the hydrothermal vents on the oceanbed.
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