on the moment

基本解释

When you’re busy, your attention is constantly on the moment.
当你忙碌时，你的注意力立即会持续。
The fear provoked by rock climbing focuses the mind on the moment.
攀岩时的害怕心理让身心集中在当下的那个时候。
Nevertheless, none of us is very worried that on the moment it's likely to suddenly, spontaneously turn into a crystal and be opaque and scatter light and do all that sort of stuff.
但是我们现在不会担心过,玻璃会突然，自发变成晶体,变透明，散射光线,具有石英的所有性质。

A navigator needs to know what time it is on his ship and also the time at another place of known longitude -- at the very same moment.
The structural moment of concentration on the code for its own sake cannot be avoided, and literature necessarily breeds its own formalism.
集中在代码上的结构瞬间,因为它本身的原因不可避免，文学必要地导致了它自身的形式主义。
耶鲁公开课 - 文学理论导论课程节选
But again, that we will supply for you on the exam just in case you forget it at that moment.
但在考试中我们会给出这个值,以防你当时忘记了。
麻省理工公开课 - 化学原理课程节选

The National Republican Senatorial Committee jumped in as well, quickly setting up a donation page to capitalize on the moment.
FORBES: For One Week At Least, Republicans Win The Internet