The left-side steersman opened a ring segment there.

左侧舵手在那里打开了一个环段。

In a majestic circle, the maker turned to protect its opened segment.

在一个宏伟的圆圈中，制造商转身保护其开放的部分。

He motioned flankers down to open segments along the side and keep the worm on a straight course as it rolled.

他示意侧翼人员向下打开侧面的部分，并在蠕虫滚动时保持直线前进。

It would, in fact, roll its gigantic body to bring the opened segment as far away from the desert surface as possible.

事实上，它会滚动它巨大的身体，使打开的部分尽可能远离沙漠表面。

This was the true instant of the testing: if he had planted the hooks correctly at the leading edge of a ring segment, opening the segment, the worm would not roll down and crush him.

这是真正的测试时刻：如果他把钩子正确地放在环段的前缘，打开环段，蠕虫就不会滚下来压死他。