selenium salt造句

例句与造句

1. Selenium salts are toxic in large amounts, but trace amounts are necessary for cellular function in many organisms, including all animals.
2. This results in selenium salts and selenium rich soils that are sloughed off the mountains via debris flows or landslides into the San Joaquin valley.
3. It's difficult to find selenium salt in a sentence. 用selenium salt造句挺难的