上升下降英语术语怎么说

In English, the terms "rise" and "fall" are used to describe an increase or decrease in something, respectively. For example, you can say "The stock market has risen significantly in the past year" to describe an increase in the stock market, or "The temperature has fallen below freezing" to describe a decrease in temperature.
Other terms that can be used to describe an increase or decrease include "increase" and "decrease," "ascend" and "descend," and "climb" and "drop." For example, you could say "The price of oil has increased significantly in recent months," or "The popularity of the new smartphone has descended since its launch."