基本解释着陆同根派生 英汉例句It must be recalibrated for each planet as soon as planetfall is achieved. 你必须在每次登陆不同星球后，立刻对它再校准。"Very good, Tesla," the brain responded. "When do you expect to make planetfall?" “很好，泰斯拉，”主脑回答：“你希望何时着陆？”