单词	helium gas
释义	helium gas 氦气
随便看	coastal vegetation coastal vessel coastal waiter coastal warning coastal water coastal water pollution coastal waters coastal waters pollution coastal waterway coastal wave coastal wetland coastal wetlands coastal yacht coastal zone coastal-zone coastal zone color scanner coastal zone color scanner (czcs) coastal zone development coastal zone management Coastal Zone Management Act coastal zone management law coastal zone pollution coastal zone resources coast and geodetic magnetic observatory coast and geodetic survey qzyr qzys qzyw qzyy qzzb qzzl qzzs qzzy qzzyqzs ra ソケット［socket］ソケンソケンソゲキソゲルソゲンソコソコソコアゲソコイ