Clothespins have been used for many years to pin laundry to clotheslines so they can dry in the sun.
晒衣夹多年来被用在将衣物固定在晒衣绳上，好让阳光晒干衣物。
He and Trujillo went back and pored over the older images to help pin down the circular path it travels around the sun.
他和Trujillo回去反复研究了这些老图片以帮助他们确定它环绕太阳公转的轨道。
He and Trujillo went back and pored over the older images to help pin down the circular path it travels around the sun.
他和Trujillo回去反复研究了这些老图片以帮助他们确定它环绕太阳公转的轨道。
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