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题目内容双击单词支持查询和收藏哦～
Slight but ________ variations in the timing of the star' s light pulses led astronomers to deduce that it was being pulled backward and forward by three planets orbiting around it.
- A.subtle
- B.regular
- C.explicable
- D.undetachable
- E.inconsequential
B显示答案
以上解析由 考满分老师提供。
