01 今日长难句

The integration of renewable energy sources into the power grid faces significant challenges, including technological limitations, regulatory hurdles, and economic barriers, which must be addressed to ensure a sustainable and reliable energy future.

02 词汇解析

integration [ɪnˈteɡreɪʃn] n. 整合，集成

renewable [rɪˈnjuːəb(ə)l] adj. 可再生的

energy [ˈɛnərdʒi] n. 能源

power grid 电网

challenges [ˈtʃælɪndʒɪz] n. 挑战

technological [tekˈnɒlədʒɪk(ə)l] adj. 技术的

limitations [lɪˈmɪteɪʃnz] n. 限制

regulatory [ˈreɡjʊlətɔːri] adj. 监管的

hurdles [ˈhɜːrdlz] n. 障碍

economic [ɪkəˈnɒmɪk] adj. 经济的

barriers [ˈbærɪərz] n. 障碍

sustainable [səˈsteɪnəb(ə)l] adj. 可持续的

reliable [rɪˈlaɪəb(ə)l] adj. 可靠的

03 结构分析

✔句子主干： The integration of renewable energy sources into the power grid faces significant challenges.

✔并列宾语：including technological limitations, regulatory hurdles, and economic barriers

✔定语从句：which must be addressed to ensure a sustainable and reliable energy future

04 参考译文

将可再生能源整合到电网中面临重大挑战，包括技术限制、监管障碍和经济壁垒，这些挑战必须得到解决，以确保可持续且可靠的能源未来。

将可再生能源融入电网面临着重大挑战，包括技术限制、监管障碍和经济壁垒，这些问题必须得到解决，才能确保一个可持续和可靠的能源未来。