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汉语拼音：yǒu kǒng chóng

1.单细胞动物。有石灰质壳﹐壳上多小孔﹐由此溢出许多丝状的假足。生活在海洋中﹐遗壳堆积海底﹐形成岩石。有孔虫化石可用来测定岩石的地质年龄。

1. 单细胞动物。有石灰质壳，壳上多小孔，由此溢出许多丝状的假足。生活在海洋中，遗壳堆积海底，形成岩石。有孔虫化石可用来测定岩石的地质年龄。

• Specifically, they looked at the remains of microscopic shell-forming organisms known as foraminifera.

  具体而言，他们看到了微壳形成的被称为有孔虫的生物体遗体。

• Granulometry and foraminifer analysis helped to know sedimental cycle and marine-continental variety.

  进行粒度分析，有孔虫分析，以了解沉积旋回与海陆变化；

• A muddy deposit of the deep ocean composed mostly of shells , foraminiferans and diatoms, or mud saturated with water.

  软泥由大部份为贝壳、有孔虫与矽藻，或含饱和水的泥所组成的深海泥沙沈积物。

• These showy foraminifera were very specialized for particular ecological niches.

  这些华丽的有孔虫因特定生态龛而产生。

• Different types of foraminifera thrive at different temperatures.

  不同种类的有孔虫在不同温度下繁殖。

• Most of the foraminifera were soft-walled, either spherical or needle-shaped, and coloured brown.

  绝大多数的有孔虫是软壳的，软壳为球状或针状，呈棕色。

• Japanese researchers reported on Thursday that many of the creatures they dredged up are one-celled animals called foraminifera.

  日本研究人员2月3日宣布，他们在太平洋深海沟内发现了体形微小，被称为有孔虫类的单细胞生物群。

• A marsh is typically home to several species of forams, which each prefer slightly different conditions.

  不同种类的有孔虫可同时生存于一处沼泽中，但其各自所喜好的环境仍有些许不同。

• These foraminifera were roughly 200 to 350 microns large, or a fifth to a third of a millimeter long.

  这些有孔虫大约有200至350微米大，或者一毫米的五分之一到三分之一长。