"That's what you call a view from the top of the stairs-one stair, that is, " Schweickart said.
史威可说：“这是你称作从梯顶向下的一种 视域 ——那就是说，一级。”
2
Another thing worrying Mr Schweickart is that NASA has no plans to test an asteroid-deflection scheme.
另一件让施威卡特感到头疼的事则是美国宇航局还未计划对偏转小行星方案进行检验。
3
“You’re moving the largest mother lode imaginable ” said former astronaut Rusty Schweickart cofounder of the B612 Foundation an organization dedicated to protecting Earth from asteroid strikes.