英语语法分析

With scandium and yttrium, they make up the rare earth metals.

加上钪和钇，一起组成稀土金属。

Scandium-modified Al alloys are a new kind of high performance alloys.

钪改性的铝合金是一类高性能新型铝合金。

They turned out to be the undiscovered elements scandium, gallium, technetium and germanium.

那时还没发现的元素就是钪，镓，锗和锝。