Keywords: period
English [djr]
Explanation:
During the preparation of; Sometime during ... ...
(Period) (America, Switzerland, England) Dylan (name)
Phrases:
Life in wartime; Life during wartime; unnecessary worry
Discrimination of Words: Period, End and Penetration
These prepositions can all mean "during, within".
1 and during can indicate the duration of the action or state indicated by the verb in the sentence, or indicate that the action occurs at a certain point in a period of time, but they do not emphasize the time when the action occurs or ends.
2. Excessive tendency to emphasize the results after a period of time;
3. Pay more attention to the beginning and end of the time process from beginning to end.