星状擒纵轮是该机构中重要零件。
The star escapement wheel is an important part in this organ.
治安官的徽章是星状的。
可见,行星状星云是恒星晚年演化的结果。
Obviously, a line of astroid nebula is a result which the star old age evolves.
可见,行星状星云是恒星晚年演化的结果。
Obviously, a line of astroid nebula is a result which the star old age evolves.
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