hydrogen and oxygen isotopes

• 氢氧同位素

hydrogen and oxygen isotopes的用法和样例：

例句

1. Researchers said the zircon's high level of heavy oxygen isotopes suggest it was cooled by surface water after it formed.
   研究人员说锆石的高标准重氧同位素暗示了它形成之后靠地表水来冷却。