单个或成对
Single or pair
以上为机器翻译结果，长、整句建议使用 人工翻译 。
东半球夜间活动的犬科哺乳动物，与狗近缘；与狼形似；有时成群捕食但通常是单个或成对活动。
Old World nocturnal canine mammal closely related to the dog; smaller than a wolf; sometimes hunts in a pack but usually singly or as a member of a pair.
youdao
不成对的单个存在；而非一对中单个的，如静脉或肌肉。
Occurring singly; not one of a pair, as a vein or muscle.
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