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- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- The precursor of the modern car was a horseless carriage with a petrol engine. 现代汽车的前身是不用马拉的，装有汽油发动机的车子。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- sulfate precursor 硫酸盐前驱物
- Thefirst telephone was the precursor of modern communications networks. 最早出现的电话是现代通讯网的雏型。
- The precursor or stem cell of a plasma cell. 成浆细胞浆细胞的前体细胞或干细胞
- A precursor cell of a melanocyte or melanophore. 成黑素细胞产生黑素细胞的母体细胞
- Error is often the precursor of what is correct. 错误常常是正确的先导。
- The precursor or stem cell of a plasmacell. 成浆细胞浆细胞的前体细胞或干细胞。
- The barium sulfate must be a lump-free powder. 硫酸钡必须是无块的粉末。
- An originator of a line of descent;a precursor. 前辈家族血脉的开始者；先驱
- An originator of a line of descent; a precursor. 前辈家族血脉的开始者;先驱。
- A severe cold may be the precursor of pneumonia. 重伤风可能是急性肺炎的先兆。
- Lysine is a precursor of certain alkaloids. 赖氨酸是某些生物碱的前体。
- Sodium Fatty Alcohol Polyoyetylene Ether Sulfate. 醇醚硫酸铵。
- The first ribin us a precursor of spring. 头一只知更鸟是春天的先兆。
- Pengshan Anhydrous Sodium Sulfate Plant. 安徽全力集团有限公司彭山元明粉厂。
- Dextran sulfate sodium salt from Leuconostoc spp. 硫酸葡聚糖。
- ARJ21 is seen as the precursor to a jumbo jet. ARJ21型飞机被看作是大型喷气式飞机的前身。
- Ammonium Fatty Alcohol Polyoyetylene Ether Sulfate? 醇醚硫酸?
