?三脚支架
... five legged transformer 五心柱变压器... three-legged support 三脚支架 short legged 矮的型 ...
Like a three-legged stool, we should not support any vision for the future of our energy economy that does not satisfy all of these criteria equally.
FORBES: Backup Generators Are the Bad and Ugly of Decentralized Energy
He says Obama has built his support on a "three-legged stool" made up of African-Americans, Hispanics and young voters of all races.
NPR: Obama Pushes Past Race Barriers, Wins White House
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。