But by firing its three ion engines one at a time over 620 days — accumulating another 60 miles per each day — Dawn has reached its current astronomical speed and has no plans of slowing down.
但是在620天的时间里开动了三个引擎之一——再积累每天60英里——曙光号就已达当前的天文速度，而且没有减速的计划。
The next day, I learned that the Carson show had earned good ratings nationwide and astronomical ones in Arkansas.
第二天，我了解到卡森的节目在全国获得了不错的收视率，在阿肯色州的收视率高得不得了。
A man ues a camera on a rocky crest filled with astronomical markers at the megalithic observatory of Kokino, soon after sunrise, early on June 21, 2010 — the day of the summer solstice.
2010年6月21日清晨，一个人正在将摄影机架在一座遍布岩石、名为kokino的古天文台上，很快日出就出现在眼前，夏至来临了。
The insurance payments are astronomical, but since there's little public transportation it saves hours every day for mothers.
保险金额是天文数字，但从此不再需要公共交通工具，这可以为母亲们每天节省几小时。
Total solar eclipses can be frightening for people who are unaware of their astronomical explanation, as the Sun seems to disappear in the middle of the day and the sky darkens in a matter of minutes.
对于没有天文知识的人来说，日全食可说是非常恐怖的景象，因为太阳在白天消失，而天空也在短时间内暗淡下来。
Total solar eclipses can be frightening for people who are unaware of their astronomical explanation, as the Sun seems to disappear in the middle of the day and the sky darkens in a matter of minutes.
对于没有天文知识的人来说，日全食可说是非常恐怖的景象，因为太阳在白天消失，而天空也在短时间内暗淡下来。
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