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| 纸皮桦 (Betula papyrifera Marsh.，桦木科) | |||
| 北美白桦 Betula papyrifera | |||
| 纸桦; 美洲桦 | |||
| 纸皮桦 | |||
| paper birch: 2 phrases in 2 subjects |
| Biology | 1 |
| Botany | 1 |
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