為您提供backbone英英釋意。" />

色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

backbone

英 ['b?kb??n] 美['b?k'bon]
  • n. 支柱;主干網(wǎng);決心,毅力;脊椎

英英釋意


1. a central cohesive source of support and stability;
"faith is his anchor"
"the keystone of campaign reform was the ban on soft money"
"he is the linchpin of this firm"
2. fortitude and determination;
"he didn't have the guts to try it"
3. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord;
"the fall broke his back"
4. the part of a network that connects other networks together;
"the backbone is the part of a communication network that carries the heaviest traffic"