Moira sat stiffly upright in her straight-backed chair.

莫伊拉直挺挺地坐在直背椅上。

《柯林斯英汉双解大词典》

Are you as straight-backed as a ballerina, or as hunched as a dinosaur?

你的后背是像芭蕾舞演员一样直，还是像恐龙的后背那么弯？

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We still see straight-backed chairs and laid-out cutlery as essential to a "proper" meal.

到较正式的场合用餐时，我们仍会看到直背的椅子，摆好的成套餐具是基本的配备。

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There was a mirror, a shiny red-brown bureau, a tiny refrigerator on a wooden table, a straight-backed blue chair.

NEWYORKER: The Reptile Garden

When you buy a mortgage-backed bond, you are in effect buying a straight bond and then giving away a call option to the homeowners.

FORBES: Magazine Article