Umbro
茵宝
🗣️ 情景例句
But when do they do it?
但是什么时候动手术？
Beauty is but skin deep.
美丽只是皮相（指：不能以貌取人）。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，