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duckbill    
n. 鸭嘴兽

鸭嘴兽

duckbill
adj 1: having a beak resembling that of a duck; "a duck-billed
dinosaur" [synonym: {duckbill}, {duck-billed}]
n 1: primitive fish of the Mississippi valley having a long
paddle-shaped snout [synonym: {paddlefish}, {duckbill},
{Polyodon spathula}]
2: small densely furred aquatic monotreme of Australia and
Tasmania having a broad bill and tail and webbed feet; only
species in the family Ornithorhynchidae [synonym: {platypus},
{duckbill}, {duckbilled platypus}, {duck-billed platypus},
{Ornithorhynchus anatinus}]

Duck \Duck\, n. [OE. duke, doke. See {Duck}, v. t. ]
1. (Zool.) Any bird of the subfamily {Anatin[ae]}, family
{Anatid[ae]}.
[1913 Webster]

Note: The genera and species are numerous. They are divided
into {river ducks} and {sea ducks}. Among the former
are the common domestic duck ({Anas boschas}); the wood
duck ({Aix sponsa}); the beautiful mandarin duck of
China ({Dendronessa galeriliculata}); the Muscovy duck,
originally of South America ({Cairina moschata}). Among
the sea ducks are the eider, canvasback, scoter, etc.
[1913 Webster]

2. A sudden inclination of the bead or dropping of the
person, resembling the motion of a duck in water.
[1913 Webster]

Here be, without duck or nod,
Other trippings to be trod. --Milton.
[1913 Webster]

{Bombay duck} (Zool.), a fish. See {Bummalo}.

{Buffel duck}, {Spirit duck}. See {Buffel duck}.

{Duck ant} (Zool.), a species of white ant in Jamaica which
builds large nests in trees.

{Duck barnacle}. (Zool.) See {Goose barnacle}.

{Duck hawk}. (Zool.)
(a) In the United States: The peregrine falcon.
(b) In England: The marsh harrier or moor buzzard.

{Duck mole} (Zool.), a small aquatic mammal of Australia,
having webbed feet and a bill resembling that of a duck
({Ornithorhynchus anatinus}). It belongs the subclass
Monotremata and is remarkable for laying eggs like a bird
or reptile; -- called also {duckbill}, {platypus},
{mallangong}, {mullingong}, {tambreet}, and {water mole}.


{To make ducks and drakes}, to throw a flat stone obliquely,
so as to make it rebound repeatedly from the surface of
the water, raising a succession of jets; hence:

{To play at ducks and drakes}, with property, to throw it
away heedlessly or squander it foolishly and unprofitably.


{Lame duck}. See under {Lame}.
[1913 Webster]


Duckbill \Duck"bill`\, n. (Zool.)
See {Duck mole}, under {Duck}, n.
[1913 Webster]


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  • 1 - Wikipedia
    1 (one, unit, unity) is a number, numeral, and grapheme It is the first and smallest positive integer of the infinite sequence of natural numbers
  • 1 - Wiktionary, the free dictionary
    Tenth century “West Arabic” variation of the Nepali form of Hindu-Arabic numerals (compare Devanagari script १ (1, “éka”)), possibly influenced by Roman numeral Ⅰ, both ultimately from using a single stroke to represent the number one
  • 1 (number) - New World Encyclopedia
    The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who wrote 1 as a horizontal line, as is still the case in Chinese script
  • The number one - Britannica
    The number one, often written as '1', is a fundamental concept in mathematics It is considered a natural number, meaning it's a positive integer obtained by adding 1 to itself one or more times
  • 1 Definition Meaning - Merriam-Webster
    one 1 of 3 adjective ˈwən ˌwən 1 : being a single unit or thing see number 2 : being a certain unit or thing
  • Number 1 - Curious Math Facts and Interesting Properties
    In a nutshell 1 is an odd number which is uniquely neither prime nor composite It is known as the multiplicative identity or unit It’s also the only positive number with no other divisors
  • The True Definition Of 1 - DID YOU KNOW!
    Discover the true definition of 1—exploring its mathematical essence, philosophical meaning, and real-world significance Understand unity, identity, and the foundation of counting in one clear read
  • 1 - Wikiwand
    The number 1 is the first natural number after 0 Each natural number, including 1, is constructed by succession, that is, by adding 1 to the previous natural number
  • Understanding the Number 1: Definition, Properties, Examples and Simple . . .
    The Number 1 — Step-by-Step Explanation Definition The number 1 is the integer that comes after 0 and before 2 It is the first positive integer and the first natural number when you start counting from 1
  • 1 -- from Wolfram MathWorld
    Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 that it is usually placed into a class of its own (Wells 1986, p 31)





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