Knocks
n. 短促的敲打（声）( knock的名词复数 ); 爆震声; 敲击声; 敲门（或窗等）声\\nv. 敲, 击, 打( knock的第三人称单数 ); （心）怦怦跳; 把…撞击成（某种状态）; 批评
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
Won't you come alone with me? My boss wants to see you.
能跟我一起来吗？我们老板有事要见你。
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，