Zài / zhè / ge / cān / kǎo / xì / zhōng / tài / yáng / kàn / qǐ / lái / xiàng / shì / zài / rào / zhe / dì / qiú / yùn / dòng在这个参考系中,太阳看起来像是在绕着地球运动。In this frame of reference, the sun appears to move around the Earth.