1677年11月，哈雷在南太平洋荒凉的圣赫勒拿岛上观测到了水星（最靠近太阳的行星）的凌日现象。
In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.
所有去圣赫勒拿的意思就是远足。
The whole point of going to St Helena is to get away from all that.
罗伯茨说这个问题对于圣赫勒拿是严肃的。
应用推荐