- Barbed wire that is extended in a spiral for use as a barrier, as on a fence.蛇笼，蛇腹型铁丝网：用作屏障的成螺旋状延伸、装有倒勾的金属丝网，如在栅栏上
- extranuclear
- extraocular muscle
- extraordinaire
- extraordinary
- extrapolate
- extrapolated
- extrapolates
- extrapolating
- extrapyramidal
- extras
- extrasensory
- extrasensory perception
- extrasystole
- extraterrestrial
- extraterrestrial
- extraterritorial
- extraterritoriality
- extrauterine
- extravagance
- extravagances
- extravagancies
- extravagancy
- extravagant
- extravagants
- extravaganza