英语语法分析

Beryllium difluoride is very soluble in water, unlike the other alkaline earths.

铍二氟化物极易溶于水，与其它碱土不同。

Beryl is a beryllium-aluminum silicate, and its color comes from small amounts of chromium.

绿宝石其实是一种铍铝硅酸盐，而它的颜色则来自于微量的铬元素。

Isotopes of carbon in tree rings and beryllium in ice cores show a drop-off in solar radiation during much of the period.

树木年轮的碳同位素和冰核中钚同位素的检测都显示出在上述阶段的大多数时间内太阳辐射能量出现下降。