### 1. **词汇解释与区别**
- **Splint**(名词):
通常指用于固定骨折或受伤部位的**医用夹板**,也可指细长的木片、金属片等支撑物。
*示例:The doctor put a splint on his broken finger.*
- **Splinter**(名词):
指木头、玻璃等材料上剥落的**尖细碎片**(如木刺),也可作动词表示“碎裂”。
*示例:She got a splinter in her hand from the old wooden fence.*
**核心区别**:
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