This is the 2624th most frequent Chinese word.
這一
"This one" or "this".
In this sentence, "這一" is used as a determiner, specifying the particular instance or occasion being referred to.
這一次的經歷讓我學到了很多。
This time's experience taught me a lot.
Here, "這一" functions to specify a concept or idea, adding a definite nuance to distinguish it from others.
這一思想在哲學中有重要地位。
This idea holds an important place in philosophy.
In this instance, "這一" is used to identify a specific event being discussed or referenced.