noun 下载 🔗分享 透石膏,亚硒酸盐。 A soft, glassy form of gypsum (chemical formula CaSO4·2H2O). Examples : "The lamp was made of selenite, giving off a soft, warm glow due to the mineral's glassy texture. " 这个灯是用透石膏做的,这种矿物有着玻璃般的质地,所以灯光散发出柔和温暖的光芒。 material substance geology mineral 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 亚硒酸盐 The anion SeO32− derived from selenous acid; any salt or ester of selenous acid. Examples : "To ensure proper plant growth in selenium-deficient soil, the farmer added fertilizer containing selenite. " 为了确保植物在缺硒土壤中正常生长,这位农民添加了含有亚硒酸盐的肥料。 chemistry compound substance mineral 与AI对话词汇游戏阅读练习