This, in turn, would tell them more about the nature of gravity.
反过来，这能使他们更好地弄清楚引力的本质。
When you turn it off, you must return to the feeling you had at the end of a gravity drop.
当你放松时，你必须回到自由下落最后阶段的感觉。
When you turn it off, you must return to the feeling you had at the end of a gravity drop.
当你放松时，你必须回到自由下落最后阶段的感觉。
应用推荐