英文字典中文字典


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       







请输入英文单字,中文词皆可:

Placentalia    
有胎盘类

有胎盘类

Placentalia \Plac`en*ta"li*a\, n. pl. [NL.] (Zool.)
A division of Mammalia including those that have a placenta,
or all the orders above the marsupials.
[1913 Webster]


Mammalia \Mam*ma"li*a\, n. pl. [NL., from L. mammalis. See
{Mammal}.] (Zool.)
The highest class of Vertebrata. The young are nourished for
a time by milk, or an analogous fluid, secreted by the
mammary glands of the mother.
[1913 Webster]

Note: Mammalia are divided into three subclasses;
[1913 Webster] I. {Placentalia}. This subclass embraces
all the higher orders, including man. In these the
fetus is attached to the uterus by a placenta.
[1913 Webster] II. {Marsupialia}. In these no placenta
is formed, and the young, which are born at an early
state of development, are carried for a time attached
to the teats, and usually protected by a marsupial
pouch. The opossum, kangaroo, wombat, and koala are
examples.
[1913 Webster] III. {Monotremata}. In this group, which
includes the genera {Echidna} and {Ornithorhynchus},
the female lays large eggs resembling those of a bird
or lizard, and the young, which are hatched like those
of birds, are nourished by a watery secretion from the
imperfectly developed mammae.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
Placentalia查看 Placentalia 在百度字典中的解释百度英翻中〔查看〕
Placentalia查看 Placentalia 在Google字典中的解释Google英翻中〔查看〕
Placentalia查看 Placentalia 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Tesla
    Tesla accelerates the transition to sustainable energy with electric cars, solar products, and integrated renewable energy solutions for homes and businesses
  • New Used Electric Cars - Tesla
    Find new and used Tesla cars Every new Tesla has a variety of configuration options and all pre-owned Tesla vehicles have passed the highest inspection standards
  • Model 3 - Tesla
    Model 3 is designed for electric-powered performance, with quick acceleration, long range and fast charging
  • Model Y - Tesla
    Learn about Model Y, a mid-size electric SUV with award-winning safety, convenient technology features and seating for up to five
  • Cybertruck - Tesla
    Built for any adventure, Cybertruck has a durable exterior, spacious interior and technological capabilities so you can pack up your gear and hit the road
  • Tesla, Inc. - Wikipedia
    Tesla, Inc ( ˈ t ɛ z l ə TEZ-lə or ˈ t ɛ s l ə ⓘ TESS-lə [a]) is an American multinational automotive and clean energy company
  • Model S - Tesla
    Model S platforms unite powertrain and battery technologies for unrivaled performance, range and efficiency New module and pack thermal architecture allows faster charging and gives you more power and endurance in all conditions
  • Tesla, Inc. | History, Cars, Elon Musk, Facts | Britannica Money
    Tesla, Inc is an American manufacturer of electric vehicles, solar panels, and automobile batteries It was founded in 2003 by American entrepreneurs Martin Eberhard and Marc Tarpenning and was named after Serbian American inventor Nikola Tesla
  • Tesla: Current and upcoming models, prices, specs, and more - Electrek
    A comprehensive guide outlining the past, present, and future of the prominent EV manufacturer and energy company, Tesla inc
  • How much is a Tesla? See what youll actually pay for each model
    Tesla has ambitious goals for its new Roadster: hit 60 mph in 1 9 seconds and achieve a range of 620 miles Fittingly, prices will start around $200,000 Fittingly, prices will start around $200,000





中文字典-英文字典  2005-2009