单词	水准器--气泡水准器
释义	水准器；气泡水准器spirit level
随便看	theory-- macroscopic pile theory mapping theory, microscopic theory-- microscopic theory, momentum theory, multiple production theory-- multiregion diffusion theory, non-linear field theory-- nuclear theory, nuclear-reactor theory-observation compatibility theory of theory of action theory of adsorption theory of algebra theory of algebraic equation theory of algebraic functions theory of algebraic invariant theory of algebraic numbers theory of algorithm theory of alpha decay theory of alternate dominance theory of alternative dominance theory of analytic functions theory of anharmonic