back /bæk/ n. 脊柱;脊梁骨点击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓ Tommy-录制back.mp30:26来自Tommy教你说美语例句/词组:She broke her back in a riding accident. 她在一次骑马事故中摔断了脊梁骨。 英语解释: the row of bones in the middle of the back 脊柱;脊梁骨