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beluga whales是什么意思
beluga whales白鲸双语对照例句:1.Dolphins and beluga whales have been seen blowing bubble rings andswimming through them. 人们经常看见海豚和白鲸吹泡泡并从泡泡中穿过去。 2.These remarkable pictures show how beluga whales help human visitors toswim under the thick ice. 以下这些不平常的图片展示了白鲸帮助人类访客在厚冰层下游泳的情景
