doughnut-shaped造句

1、One of the magnetic doughnut-shaped masses that make up such a memory
磁心组成这种存储器的当纳圈形磁性材料中的一个

2、One of the magnetic doughnut-shaped masses that make up such a memory.
磁心组成这种存储器的当纳圈形磁性材料中的一个

3、The mountain is encircled by the doughnut-shaped depression of the caldera.
山为环形的破火山口洼地环抱着。

4、the doughnut-shaped object enclosed by a torus
被一个圆环围起来的多纳圈状的物体。

doughnut-shaped翻译