波动

• 拼音: bō dòng
• 汉字拆解: 波 = 氵(water) + 皮, wave; 动 = 云 + 力, to move

含义

To fluctuate; fluctuation. Movement up and down or back and forth, especially of prices or emotions.

Used for describing oscillating movement, particularly in economics (price fluctuations), psychology (emotional instability), and physics (wave motion). Can function as both verb and noun. Common collocations include 价格波动, 情绪波动, 市场波动.

例句

1. 最近股市波动很大，投资需要谨慎。
2. 青春期的孩子情绪波动比较明显。
3. 国际油价的波动直接影响到国内成品油价格。

用法指南

语境: economics, psychology, technical

语气: analytical

正确说法

• 汇率波动是正常现象。(Exchange rate fluctuation is a normal phenomenon.)
• 她的情绪波动让家人很担心。(Her emotional fluctuations worry her family.)

错误说法

• 不要用'波动'形容稳定的事物 (Don't use 波动 for stable things — it specifically implies up-and-down movement)

起源与历史

Compound of 波 (wave) + 动 (to move). Literally means 'wave movement,' extended to any fluctuating motion.

文化背景

世代: Adults

社会背景: Universal