速度

• 拼音: sù dù
• 汉字拆解: 速 = 辶 (walk) + 束 (bundle, phonetic), meaning rapid; 度 = 广 (shelter) + 廿 + 又, a unit of measure

含义

Speed; velocity; rate. Refers to how fast something moves or how quickly something happens.

Used in everyday language, sports, science, and technology. Can describe physical speed or the rate of progress (工作速度, work speed). Very common and versatile.

例句

1. 请把车的速度降下来。
2. 他跑步的速度很快。
3. 网络速度越来越快了。

用法指南

语境: everyday, sports, technology

语气: neutral

正确说法

• 你开车的速度太快了。(You are driving too fast.)
• 这个项目的进展速度很快。(This project is progressing very quickly.)

错误说法

• 他说话的速度很大。(Don't use 大 with 速度 — use 快 (fast) or 慢 (slow) instead. Speed is described as fast or slow, not big or small.)

起源与历史

速 (fast/speed) + 度 (degree/measure). Together they express a measurable rate of movement.

文化背景

世代: All ages

社会背景: Universal