Back Straight

中文含义：挺直后背

英语词性：phrase

美式发音：/bæk streɪt/

同义词：straighten your back, stand up straight

易混淆单词：back bent（后背驼起）

双语例句：

1. You should always keep your back straight when sitting at a desk.

你应该在坐在桌前时保持挺直的后背。

2. I have been going to the gym to strengthen my core muscles and improve my posture by keeping my back straight.

我一直去健身房锻炼核心肌群，通过保持挺直的后背来改善我的姿势。

3. She instructed her students to keep their backs straight during the yoga class.

她在瑜伽课上教导学生保持挺直的后背。