21. vertebrate 脊椎动物 , [' L( e/ q9 H! U
4 I- s& ^* x) f8 C4 G/ j" y22. invertebrate 无脊椎动物
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: c B" F" I+ K# k3 `8 p: ~23. finch 鸣禽 [例] This kind of birdseed is perfect for all kinds of flinches. & o$ e$ ~' k/ J c% k) b) Y& R
3 m2 x' r: G3 @8 t24. fowl 家禽 禽 ) K1 m. ?$ f# B8 h5 F5 _
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25. monster 怪物 巨兽 # o6 e' e. L, P! m
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26. herd 兽群 牧群
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& B/ C7 E7 j0 B, \, f. W( L27. swarm 群
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' A0 { g0 @: y2 u/ ~; @' d$ v, J28. flock 羊群 : c; V) D: h" v, t
$ a; \& [# T' y. j29. horde 昆虫群 1 V& F8 p: I3 G4 n' p* A
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/ l5 }9 H8 r0 Z+ F) z31. beast 兽 牲畜 ( ?, G% b: Q& q, t
7 x$ ?2 L6 V8 O0 {) q2 z a32. aquatic 水的 水上的
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7 P3 P6 T- C* ]1 s" P33. amphibian 两栖类的 水陆两用的 ; @7 I1 v, e. Q' U4 c
/ p$ L$ ?( i& _34. migrate 随季节而移居 迁徙 [例] There birds migrate to southern China in winter.
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35. graze 放牧 [例] Shepherds graze sheep where there are a lot of grass. ' ^8 I# D, C& `- H: P9 V5 E6 U+ z) `
! F/ Q. r( ^2 O$ z; u( t B36. peck 啄 啄起 [例] The parrot pecked me on the finger. 3 }/ [$ ~" P; ^0 G
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37. woodpecker 啄木鸟
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7 }6 A- o3 p5 D+ T$ j38. hibernation 冬眠 [例] Polar bear goes to hibernation in winter times. 5 s& b. X) L# O) f0 J9 O9 Z3 i- y
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39. estivation 夏眠 % s& m3 c$ k6 V8 d
! }/ f x. q: M* b' M. [' ^" m40. dormancy 睡眠 冬眠 |