Usage of 延伸
The verb 延伸 primarily means 'to extend' in a physical or metaphorical sense. It often describes the action of something stretching out in length or scope, such as roads, research, or body parts.
Common contexts
- Physical extension: roads, rivers, arms, or other objects physically lengthening.
- Abstract extension: ideas, influence, research, or effects expanding into new areas.
Collocations and patterns
- 延伸到 + place/field: to extend to a certain location or domain.
- 向前延伸: to extend forward, often used with body parts or objects.
Nuances
延伸 implies a gradual or natural stretching or expansion rather than abrupt changes. It is more formal and often used in written or professional contexts compared to simpler verbs like 伸展.
Common confusion
Do not confuse 延伸 with 延迟 (to delay) or 伸展 (to stretch out physically in a general sense). 延伸 emphasizes extension in length or scope, often with a directional or spatial implication.