作业帮宠物小白鼠英语演讲谁帮我找一片关于宠物小白鼠的英语演讲啊啊?80词+
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宠物小白鼠英语演讲谁帮我找一片关于宠物小白鼠的英语演讲啊啊?80词+
宠物小白鼠英语演讲
谁帮我找一片关于宠物小白鼠的英语演讲啊啊?80词+
宠物小白鼠英语演讲谁帮我找一片关于宠物小白鼠的英语演讲啊啊?80词+
The Fancy Rat.
This is the normal pet and laboratory rat: the domesticated form of the Brown, Common or Norway Rat Rattus norvegicus. Probably the most attractive and easiest to care for of all cage-pets [strictly speaking the easiest and most attractive of all are female mice: but male mice are smelly and quarrelsome!].
The Ship Rat.
Also known as the Black, Roof, Alexandrine or Old English Rat, this is Rattus rattus, the original Mediaeval rat: now rare in Europe but very common in Asia and fairly common in Africa, Australia and warmer parts of America. Not strictly a pet species - certainly not a beginner's pet - but these animals are occasionally kept by experienced rodent-fanciers, or adopted from the wild as orphans.