Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦,亲如伙伴,他们是我的军师,更是我的朋友。
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。