zero n.零;零度;最低点;完全没有;无足轻重的人或物adj.零的;无价值的;零视度的v.把...调零;瞄准;集中注意;迫近
双语例句
A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass. 引力微子一种假想粒子,被假定为引力相互作用的量子,并被推测为具有无限长寿命、零电荷和零静止质量