order of magnitude speculate
on in response to a streak of
conform to in retrospect as far as...is
concerned lay out let alone
pave the way for In their ground-breaking research articles, two scientists described the use of state-of-the-art imaging technique to ______ how chemical bonds are formed on molecular level.
在他们突破性的研究文章中，两位科学家描述了如何使用最先进的成像技术来在分子层面解释化学键的形成过程。