下一次美国理想观测月食的时间为2014年，但是急于在冬至这一天观测下次月食的天文爱好者，还得等到2094年12月21日。

The next lunar eclipse with good viewing from the States will occur in 2014, though stargazers eager for the next eclipse during a winter solstice will have to wait until Dec. 21, 2094 .

youdao

月球几乎永远是检验观测者能力和望远镜质量的理想场所。

The Moon is nearly inexhaustible text field for the abilities of an observer and for the quality of his instrument.

youdao