Backstrap
n. 对接贴板；后带；脊框；背带
🗣️ 情景例句
I have the whole summer ...
我有一整个暑假可以利用……
I'm a graduate of Yale University, I have a Bachelor of Science degree.
我是耶鲁大学的毕业生，我有理学学士学位。
I don't think this is a standard size.
我看这不是标准尺寸吧？