It is a sighthound and was originally used for herding, hunting and as a watchdog.
这是一个观光猎犬和原本是用于放牧,狩猎,并作为看门狗。
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"The overall fastest dog is undoubtedly a sight-hound, most likely a Greyhound, " he added. "Other dogs are also very adapted to endurance running, such as huskies."