单词	双乙烷
释义	双乙烷医bis ethane
随便看	perpetually perpetually afraid perpetually frozen soil perpetually renewable lease perpetual machine perpetual machine of the first kind perpetual machine of the second kind perpetual mating perpetual melody perpetual mobile perpetual motion machine of the third kind perpetual motion machine of third kind perpetual motion machines perpetual motion perpetual-motion perpetual motion machine perpetual motion machine of the first kind perpetual motion machine of the second kind perpetual motions perpetual-motions perpetualness perpetual neutrality perpetual night Perpetual Note perpetual nuisance