pumice stone造句
Ifyousufferfromtheseproblemsyoucanfilethemdownwithapumicestone.AccordingtoGerardKuiper,oftheUniversityofChicago,theescapeofgasesfromthemoon'smagmamayhavegiventhesatellitealight,porousconsistency,like...
Ifyousufferfromtheseproblemsyoucanfilethemdownwithapumicestone.AccordingtoGerardKuiper,oftheUniversityofChicago,theescapeofgasesfromthemoon'smagmamayhavegiventhesatellitealight,porousconsistency,like...