The higher the altitude, the smaller the atmospheric pressure. Because the altitude of Lanzhou is higher than that of Tianjin, the atmospheric pressure of Lanzhou is lower than that of Tianjin.
most similar to that of the question?
The older a tree is, the more rings it has. The age of the locust tree in Lao Zhang's yard is older than that of Lao Li's family, so the locust tree of Lao Zhang's family has more rings than Lao Li's