短语讲解：

1. The Royal Swedish Academy of Sciences said the scientists’ work could lead to developments in new materials and energy storage systems.

lead to 导致
例句：Hundreds of steps lead to the high walls which surround the president's palace!
数百级台阶通向总统府周围的高墙。

2. It marked the first time chemists were able to make a molecule act in such a way.

be able to 能够
例句：They may be able to help with childcare so that you can have a break
他们可以帮忙照料孩子，这样你就可以歇一歇了。

3. In 1991, he built on Sauvage’s work.

build on 原有的建筑物上增建; 以…为基础; 依赖; 一心指望
例句：I am determined to build on this solid foundation.
我决定在这个坚实的基础之上继续努力。

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