230717 海水为什么越来越绿？研究找出了罪魁祸首
▍原文
The color of the ocean has changed significantly over the last 20 years and human-caused climate change is likely responsible, according to a new study.
More than 56% of the world’s oceans have changed color to an extent that cannot be explained by natural variability.
Tropical oceans close to the equator in particular have become greener in the past two decades, reflecting changes in their ecosystems.
▍语言点
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significantly /sɪɡˈnɪfək(ə)ntli/ adv. 明显地，显著地 · significant /sɪɡˈnɪfək(ə)nt/ adj. 明显的，显著的
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responsible /rɪˈspɑːnsəb(ə)l/ adj. 负责的，有责任心的；(本节) 应负有责任的，应受责备的
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extent /ɪkˈstent/ n. 程度 · to a certain extent 达到一定程度 · to some/an extent 在某种程度上
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variability /ˌveriəˈbɪləti/ n. 可变性，易变性 · climate variability 气候的多变性 · natural variability 自然演化
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tropical /ˈtrɑːpɪkəl/ adj. 热带的 · tropical oceans 热带海洋
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equator /ɪˈkweɪtər/ n. 赤道
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decade /dekˈeɪd/ n. 十年 · two decades 二十年
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ecosystem /ˈiːkoʊˌsɪstəm/ n. 生态系统 · ecology /iˈkɑːlədʒi/ n. 生态 · system /ˈsɪstəm/ n. 系统