This is the 2288th most frequent Chinese word.
趁
To take advantage of; to seize the opportunity.
The word '趁' is used here to indicate taking advantage of the condition of being young to perform an action beneficial in that context.
我们应该趁年轻多学习新事物。
We should take advantage of our youth to learn more new things.
In this sentence, '趁' means utilizing the favorable weather condition as an opportunity to carry out the action of taking pictures.
趁天气好的时候,我拍了许多照片。
I took lots of pictures while the weather was favorable.
Here, '趁着' expresses the idea of using the holiday period as an opportune time for traveling.