She paid about $ 7 for the tortoiseshell frames she had on last saturday .
上周六，她只花了大约7美元就买到了她现在佩戴的这副玳瑁镜框。
With his wiry grayish-brown hair , his tortoiseshell glasses and his intensity , professor lewin is the iconic brilliant scientist .
硬直的灰褐色头发，玳瑁眼镜，还有他的热情，lewin教授活脱脱就是天才科学家的模子。
Pugnacity tropical sea turtle with a hawk-like beak ; source of food and the best tortoiseshell .
长有鹰钩嘴、好斗的热带海龟；可作为食物的原料，是最好的龟甲。
In 1889 a french chemist called jean-jacques trillat discovered that if casein is treated with formaldehyde the result is a hard , shiny substance that does well as a substitute for materials like ivory and tortoiseshell .
In the process of taking shape of the zhouyi as classic text , the earlier form of the zhouyi text including divinatory contents , literature compilation , layouts of the yi , and the relationship between tortoiseshell divination and yarrow-stalk divination was fully unfolded .
