直龍骨線 的英文怎麼說

中文拼音 [zhílóngxiàn]
直龍骨線 英文
straight keel line
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ名詞1 [動物學] (古代傳說中的神異動物) dragon2 (古代巨大的爬行動物) a huge extinct reptile:恐...
  • : 骨名詞1 (骨頭) bone2 (物體內部的支架) framework; skeleton 3 (品質; 氣概) character; spirit ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 龍骨 : 1 (鳥類的胸骨) a bird s sternum2 [中藥] fossil fragments3 (船隻、飛機、建築物等的支撐和承重結...
  1. Although paleontologists had known for many years that the bones of dinosaurs contain growth lines, something like the circumferential growth rings we see in trees, it was only in the second half of the 20th century that they began to use these growth lines and other structures inside the bones to figure out how these extinct animals actually grew

    雖然早在許多年前,古生物學家就已經知道,恐骼里有著類似樹木年輪的生長;但到20世紀後半,生長骼中的其他結構,才被用來研究這些已滅絕動物的生長情形。
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