词汇	compairand
释义	compairand 🌏比较
随便看	observational aviation observational behavior observational bias observational capability observational catalogue observational check observational components observational construction observational content observational cosmology observational results Observational Scale observational seismology observational selection observational settlement observational.settlement observational site selection observational skill observational statement observational data observational day observational definition observational dispersion observational dot observational equation