我想要一个带肩带的包。

I want a bag with a shoulder ___strap.

那本小红书用一根细带子和一把小金锁固定着。

The little red book was secured by a slim ___strap with a golden lock.

在开始乘坐前，请系好安全带。

Please fasten the safety ___strap before starting the ride.