英语词汇pectoral fin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pectoral fin
释义	pectoral fin 美/ ?pekt?r?l f?n / 简明释义胸鳍：鱼类身上对应于四足动物前肢的鳍之一。专业释义 1 农业科学胸鳍 2 物理学胸鳍 3 生物学胸鳍双语例句 1 Even smaller pectoral fins located near the back of the head are used for steering. 位于靠近头后面的更小的胸鳍用于控制方向。 2 In the shallow waters off Hokkaido, a barbed poacher crawls across glistening volcanic sand on spiny pectoral fins. 在北海道外的浅水水域，一只带刺的入侵者利用胸鳍刺爬过闪亮的火山砂。 3 Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins. 同样，飞鱼借助胸鳍所产生的加速气流，就可以对较小的腹鳍产生一定的提升作用。
随便看	silicon oxygen bond silicon-oxygen linkage silicon-oxygen tetrahedra silicon oxygen tetrahedron silicon oxynitride silicon oxynitride refractory silicon oxysulfide silicon-oxy tetrahedron silicon pedestal silicon pellet silicon photocell silicon photo cell silicon photodetector silicon photodiode silicon photodiode vacuum ultraviolet detector silicon photoelectric cell slice silicon photoelectric diode silicon photoelectric generator silicon photoelectric transistor silicon photonics silicon photoresistor silicon phototransistor silicon photo transistor silicon phototransistor vidicon silicon photovoltaic cell

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