Those scales are made out of the same hard protein, called keratin, as the scales of pangolins and other animals.

这些鳞片是由同样硬成，叫做角，就像穿山甲和其他动物鳞片一样。

Gorgeous! Now this is what you want. A beautiful stiff meringue. This is how thick your pavlova should be. Beautiful look at that! Yum!

华丽！ 现这就是你想要。 一个漂硬酥皮。这是你巴甫洛娃应该有多厚。 漂那个！ 百胜！

Another vocal development during puberty occurs when the homogenous tissue covering the folds specializes into three distinct functional layers: a central muscle, a layer of stiff collagen wrapped in stretchy elastin fibers, and an outer layer of mucus membrane.

青春期另一种声音发育发生覆盖褶皱同质织专门分为三个不同功能层时：中央肌肉、一层包裹弹性弹性纤维中硬胶原层和外层粘液膜。