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来源:雅诚德英语网
The seasons are marked by solstices and equinoxes - astronomical terms that relate to Earth's tilt.
季节以夏至,冬至和春分、秋分这些与地球的倾斜相关的天文学术语标记。
The seasons are marked by solstices and equinoxes - astronomical terms that relate to Earth's tilt.
季节以夏至,冬至和春分、秋分这些与地球的倾斜相关的天文学术语标记。