undeveloped
🇺🇸
/ˌʌndɪˈveləpt/
🇬🇧
/ˌʌndɪˈveləpt/
not used for farming, building, or other purposes
The undeveloped land was left natural and wild.
未開發的土地保持了自然和原始的狀態。
lacking modern industries and having poor living conditions
The undeveloped region had few roads and no electricity.
這個欠發達地區道路稀少且沒有電力供應。
not fully grown or mature
The undeveloped muscles made it hard for him to lift heavy things.
未發育完全的肌肉使他難以舉起重物。