And considering the comet's nearly parabolic orbit, experts said, that first visit may have been its last.

专家们表示，鉴于其近抛物形轨道，鹿林彗星的第一次造访也可能是最后一次。

youdao

And considering the comet's nearly parabolic orbit, experts said, that first visit may have been its last.

专家们表示，鉴于其近抛物形轨道，鹿林彗星的第一次造访也可能是最后一次。

youdao