Backstraps
n. 书背，书脊；(靴子或鞋后跟上的)提带
🗣️ 情景例句
What power options are available? ( steering, brakes, windows.... )
（这种汽车）有中控系统吗？
He's an engineer.
他是工程师。
The crowd began to shout, but the drunk was unaware of the danger.
人们开始大叫起来，但醉汉却没有意识到危险。