| 释义 |
halogen/ˈhælədʒən ||; ˈhælədʒən/noun [c] any of five chemical substances that are not metals and that combine with hydrogen to form strong acid compounds from which simple salts can be made 卤素: ◇the halogens fluorine, chlorine, bromine, iodine and astatine 氟、氯、溴、碘、砹五种卤族元素 |