具平行细纹层的灰岩的英文

stromatolithic limestone

• 具:    utensil; tool; imp ...
• 平行:    of equal rank; on ...
• 细:    thin; slender
• 纹:    lines; veins; grai ...
• 层:    I storey; tier; st ...
• 的:    4次方是 The fourth po ...
• 灰:    ash
• 岩:    rock