This poem compares "flying snow" to "pear flower" and describes the light, white and graceful posture of snowflakes. This poem describes the environment and describes the poet's harsh environment and homesickness.
In addition, there are the following poems that use figurative rhetoric:
"The desert sand is like snow, and the Yanshan moon is like a hook."
"White hair and three thousands of feet, the fate is like a long time."
"I don't know who cut the thin leaves. The spring breeze in February is like scissors."
"Pure wine is expensive in a golden cup, and a hip flask costs 10,000 copper, so it's not worth 10,000 yuan."