英语词汇“tetrapod”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	tetrapod
释义	Word Frequency tetrapod (ˈtɛtrəˌpɒd) noun 1. any vertebrate that has four limbs 2. Also called: caltrop a device consisting of four arms radiating from a central point, each at about 109° to the others, so that regardless of its position on a surface, three arms form a supporting tripod and the fourth is vertical 3. engineering a very large cast concrete structure of a similar shape piled in large numbers round breakwaters and sea defence systems to dissipate the energy of the waves
随便看	comatulae comatulid comb comb comb combat combatable combatant combat boot combat car combat duty combater combat fatigue combat fatigues combat gear combative combatively combativeness combat jacket combat knife combat knives combat neurosis combat-ready combats combat troops

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