本期内容：
If the outlook for marine life was already looking bleak,torrents of plastic that can suffocate and starve fish, overfishing, diverse forms of human pollution that create dead zones, the effects of global warming which is bleaching coral reefs and threatening coldwater species – another threat is quietly adding to the toxic soup. Ocean acidification is progressing rapidly around the world, new research has found, and its combination with the other threats to marine life is proving deadly.

Marine life：海洋生命
Bleak：凄惨荒凉
Torrent：激流
Suffocate：使……窒息
Starve：饿死
Bleach：漂白
Coral reef：珊瑚礁
Toxic：有毒的
Acidification：酸化

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