noun 下载 🔗分享 氢化物 A compound of hydrogen with a more electropositive element. Examples : "Many metal hydrides are being researched as potential materials for storing hydrogen fuel in cars. " 许多金属氢化物正在被研究,因为它们有潜力成为汽车储存氢燃料的材料。 chemistry compound element substance material science 与AI对话词汇游戏阅读练习