Envelopes
n. 信封( envelope的复数形式 )
🗣️ 情景例句
Have you got any proofs?
你们有证据吗？
To speak to the public
向公众呼吁
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，