Backstraps
n. 书背，书脊；(靴子或鞋后跟上的)提带
🗣️ 情景例句
We'll do it!
我们就来进行吧！
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
It can properly be described as the first 'home computer' and it pointed the way to the future.
严格地说起来，它可以被称为第一台“家用电脑”，而且它也指了今后的方向。