单词	dropping vial
释义	dropping vial 滴瓶
随便看	identity operators identity palette identity papers identity parade identity parades identity parameter identity partitioning identity path identity period identity period diffraction identity period layer line identity period of glide plane identity period of screw axis identity period rotation photograph identity period translation identity permutation identity permutations identity philosophy identity politics identity-politics identity power identity predicament identity principle identity principleof microparticles identity principle of microparticles