He had spent nearly a week riding a bike slowly round the long coastline.
一个星期以来他一直骑着一辆自行车，沿海岸线缓缓而行。
China has a very long coastline.
中国有漫长的海岸线。
A country of southwest south America with a long Pacific coastline.
南美洲西南部的一个国家，有很长的沿太平洋的海岸线。
China has a very long coastline.
中国的海岸线很长。
China has a very long coastline.
中国的海岸线很长。
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