Sit up straight
US /sɪt ʌp streɪt/
UK /sɪt ʌp streɪt/
短语
坐直, 端坐
to sit with your back straight and your shoulders back, in a good posture
示例:
•
The teacher told the students to sit up straight.
老师告诉学生们要坐直。
•
You should always try to sit up straight to maintain good posture.
你应该总是努力坐直以保持良好的姿势。