The duck refused medical treatment and left the area, according to police records.

受惊的鸭子拒绝接受医疗救治，随即便离开了池塘。

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The concept of basketball was born from Naismith's school days in the area where he played a simple child's game known as duck-on-a-rock outside his one-room schoolhouse.

他发明篮球的点子是来自他小时候玩的一种游戏，叫“duck-on-a-rock”。

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Duck Hepatitis B Virus(DHBV) was tested in duck serum in Lanzhou area by DNA dot blot hybridization.

用血清斑点分子杂交法检测兰州地区饲养的鸭群。

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During the times of isolation, a number of species of giant duck-billed dinosaurs "roamed a much smaller area than you might think given that many were larger than elephants, " Gates said.

MSN: Dinosaur boom linked to rise of Rocky Mountains