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覃仲木 2026-05-03 14:40:42
The severity of environmental issues.
或者更口语一点： How bad are the environmental problems?
42 赞
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敛孟乔 2026-05-05 12:38:06
The environmental issue is extremely serious.
138 赞
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麻季萦 2026-05-03 13:06:14
Environmental issues are pretty serious.
131 赞