单词	cats and dogs
释义	cats and dogs adverb : in great quantities : very hard it was raining cats and dogs Word History First Known Use 1738, in the meaning defined above
随便看	pithecanthropid Pithecanthropidae pithecanthropine pithecanthropines pithecanthropoid pithecanthropus pithecanthropuses pithecanthropusses pithecellobia pithecellobiums Pithecia pitheciae pithecian pithecias pithecism pitheco- Pithecoidea pithecolobia Pithecolobium pithecolobiums pithecological pithecology pithecometric pithecomorphic pithecomorphism

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