英文字典,中文字典,查询,解释,review.php


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       


安装中文字典英文字典辞典工具!

安装中文字典英文字典辞典工具!










  • Pinniped - Wikipedia
    Pinnipeds (pronounced ˈpɪnɪˌpɛdz ), commonly known as seals, [a] are a widely distributed and diverse clade of carnivorous, fin -footed, semiaquatic, mostly marine mammals
  • Seal | Description, Species, Habitat, Diet, Facts | Britannica
    Seal, any of 32 species of web-footed aquatic mammals that live chiefly in cold seas and whose body shape, round at the middle and tapered at the ends, is adapted to swift and graceful swimming
  • Seal - Types, Anatomy, Habitat, Diet, Predators, Lifespan
    There are 33 extant species of seals, with most living in cold, temperate waters The smallest seals include the Baikal seal (Pusa sibirica), 1 which is 3 7 to 4 7 ft (1 1 to 1 4 m) long, and the ringed seal (Pusa hispida), which is 5 ft (1 5 m) long on average
  • Pacific Harbor Seal - The Marine Mammal Center
    Learn about the habitat, population status and behavior of Pacific harbor seals
  • Types Of Seals: List Of All Seal Species With Pictures Facts
    Discover the different types of seal with this complete list of seal species, with pictures and facts Seals are semi-aquatic marine mammals classified into three families: Phocidae (true seals), Otariidae (eared seals – this group includes fur seals and sea lions), and Odobenidae (walrus)
  • Seal Facts - Woods Hole Oceanographic Institution
    Seals are carnivorous and dive underwater to hunt for fish, crustaceans, seabirds, and other marine animals Whales, sharks, and even other seals are the primary non-human predators of seals
  • What are seals? Everything you need to know about pinnipeds
    Seals are semi-aquatic marine mammals They’re also known as pinnipeds, which means ‘fin-footed’, referring to the large flippers they have for arms and legs Combined with their streamlined, torpedo-shaped bodies, this makes seals incredibly fast and agile in the water
  • 14 Seal Secrets - NOAA Fisheries
    Seals and sea lions belong to a group of marine mammals called pinnipeds, which means fin or flipper-footed They are adapted for life in the ocean, but come on land for long periods of time


















中文字典-英文字典  2005-2009