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
underframe ['ʌndəfreim]
基本释义
- 底架; 底框
英英解释
1个名词解释
- the internal supporting structure that gives an artifact its shape
[同] frame, skeletal frame, skeleton, underframe
[例]- the building has a steel skeleton
- the internal supporting structure that gives an artifact its shape