他循着声音跑过去，来到一处建筑工地。
He ran towards the sound and stopped at a construction site.
如果他还记得的话，他的罗曼史始终循着一条相同的轨迹而行。
For as long as he can remember, his romances travel the same track.
他们还会高度洄游，可以循着海洋中的暖流漫游到数百甚至数千英里处。
They are also highly migratory, and will follow warm ocean currents for hundreds and even thousands of miles.
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