友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
rachis ['reikiz]
基本释义
- n. 脊椎,脊柱,花轴
词形变化
- 复 数：ra·chis·es or rach·i·des形容词：ra'chi·al
英英解释
2个名词解释
- axis of a compound leaf or compound inflorescence
- the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
[同] back, backbone, rachis, spinal column, spine, vertebral column
[例]- the fall broke his back