| 释义 |
Eggshells ˈeɡʃelz COCA⁵⁰¹⁶²BNC⁵⁹⁰²⁷Economist²⁴¹⁰⁶⁺⁶
基本例句
卵壳原型eggshell的三单 So in the period right before they lay eggs, female penguins eat a lot of mollusks. The clam and mussel shells in their stomachs slowly leach calcium which is then used to form eggshells.
所以在企鹅产蛋前，雌企鹅会吃很多软体动物，胃中的蚌和贝壳类会缓慢过滤用于形成蛋壳的钙。 kekenet
Using new techniques we obtain DNA signatures from a variety of fossil eggshells, including the extinct moa and elephant birds and19, 000- year-old old emu.
我们还利用新技术检测了各类蛋壳化石，包括已灭绝的摩亚、象鸟以及19000年前的鸸鹋蛋壳，并从中获取了 DNA签名。 yeeyan |