Phenology phenomenon in which undergo corresponding seasonal changes with the cyclical changes of the climate throughout the year. The factors that affect phenology phenomenon mainly include differences in altitude, differences in longitude, differences in latitude, and differences in time.
Which of the following verses reflects the phenological phenomenon affected by altitude differences?
Why use the Qiang flute to blow the lamentable Yang Liu Qu to complain about the delay of the spring, the spring breeze can't blow outside Yumen Pass at all