Entry Composition
| 1 | 同 | tóng |
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| 2 | 温 | wēn |
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| 3 | 层 | céng |
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Related entries
| 平流层 | píngliúcéng |
stratosphere
平流層的臭氧會吸收紫外線。
The ozone in the stratosphere absorbs ultraviolet radiation. Source: Tatoeba |