Last Updated：2025/11/25
Sentence
科学者たちは川での淡水二枚貝の個体群の突然の大量死を調査している。
Quizzes for review
Scientists are investigating the sudden die-off of the freshwater mussel population in the river.
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Scientists are investigating the sudden die-off of the freshwater mussel population in the river.
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Related words
die-off
IPA(Pronunciation)
Noun
Japanese Meaning
特定の種または生物群が大量に死滅する現象（大量死） / 生態学において、ある生物種が急激に減少し、絶滅の危機に瀕する状況
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