英语语法分析

Rhenium isotopes are used to treat liver cancer.

铼的同位素被运用于肝癌的治疗。

Rhenium is an element which is extremely dispersed in earth crust.

铼是地壳中一种极度分散的元素。

Commented the resource of rhenium, application and market situation.

评述了铼的资源、应用和市场状况。