ex·tend·a·ble
adjective/ɪkˈstendəbl/
/ɪkˈstendəbl/
(also extendible)
- that can be made longer, or made legally acceptable for a longer time
可延长的；可延伸的；可延期的 - an extendable ladder
伸缩梯 - The visa is for 14 days, extendable to one month.
此签证有效期为 14 天，可延期到一个月。
- an extendable ladder