英语词汇sat up怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sat up
释义	Examples: sit up straight— 坐好 See also: sit v — 坐 v • 坐下 v • 参加 v • 选址 v • 䠀 v up — 向上 • 攲 up n — 起伏 n
随便看	proportional effect proportional election proportional electoral proportional electoral system proportional equity proportional flow control proportional flow control valve proportional flow valve proportional gain proportional increase proportional integral proportional-integral-derivative proportional integral differential proportional integration proportional interest proportional inverse square proportionalities proportionality proportionality applies proportionality assessment proportionality between proportionality limits proportionality principle proportionality requirement proportionality test

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

sit up straight—