Thus we can better understand the deformation of chert in a highly fluid form.这样我们就能更好地理解燧石在高度流体状态时的变形情况.The sediments in this photo curve near the ends of chert pods.这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体.Paleontologists know cher...
Editorially, they never really became a unique distinct product.就立场和观点来说，它们从未真正做到树立起自己独具一格的视角。With its unique heating element it makes perfect coffee.其独特的电热元件使它能够煮出非常美味的咖啡。This interesting and charming creature is unique...