...历程中的一个重要类群,处于从水生向陆生过渡的中间地位.l是硬骨鱼类中的古总鳍鱼类在泥盆纪晚期演化而来.l属于四足类(Tetrapods)中的低等类群,初步..
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tetrapod-like 与四角状
tetrapod-shaped 四针状
concrete tetrapod 混凝土四脚体 ; 混凝土四角锥体块
tetrapod walker 四撑点式地毯踩踏试验仪
tetrapod-shaped whiskers 四角状晶须
tetrapod wall 四脚锥体堆墙
Tetrapod-shaped ZnO 状氧化锌
tetrapod-like zinc oxide whiskers 四针状氧化锌晶须
nano tetrapod-like zinc oxide whiskers 纳米四针状氧化锌晶须
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以上来源于: WordNet
N any vertebrate that has four limbs 四足动物
Although biologists can easily induce extra limbs to grow on the flank of a tetrapod this cannot be done in the neck.
虽然生物学家能轻易让四足动物在侧腹长出额外的肢,在颈部却做不到。
Although biologists can easily induce extra limbs to grow on the flank of a tetrapod, this cannot be done in the neck.
虽然生物学家能轻易让四足动物在侧腹长出额外的肢,在颈部却做不到。
And the fusing of bones making up the lower jaw fortified this region, facilitating the presumed" buccal pump" mode of tetrapod ventilation.
下颔部位骨头的愈合也加强支撑力,帮助可能以口部当做帮浦的形式换气。
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