他们用担架把伤员从事故现场抬了出来。
They used a ___stretcher to carry the injured person away from the accident scene.
画家小心翼翼地把画布固定在木质画框上。
The artist carefully attached the canvas to the wooden ___stretchers before painting.
她用鞋撑把新皮鞋撑大了一点。
She used shoe ___stretchers to make her new leather shoes a bit wider.