Backstraps
n. 书背，书脊；(靴子或鞋后跟上的)提带
🗣️ 情景例句
Or someone can sign with us as a guarantor.
或者有人能当担保人帮我们签字。
He is a creative writer.
他是个有创造力的作家。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。