n.有印花之轻质毛料；印花丝毛料
Sound example 3: John Challis piano with metal soundboard and bridge. 良好的范例3：约翰查利斯钢琴与金属音效和桥梁。
Given the sketchy nature of their communication, it is not surprising that Challis did not see it as an inducement to scour the night sky. 既然亚当斯传递讯息的举动显得草率，查理斯没有认真看待，因而搜寻星空，就不令人惊讶了。
After graduating in 1843, he secured observational data on Uranus through an intermediary: Challis, whose observatory was a mile's walk from St. 1843年他毕业后，就向剑桥大学的天文学家查理斯索取了天王星观测记录。
Zoo manager Mark Challis said: "The care provided by our mystery lady is unique to zoo history and we would like to make contact with her family and properly document this gap in our past. 幸运的是，希拉在战争中存活了下来，并继续在这家动物园生活了25年之久，直到1966年在此去世。
