Today's Sentence
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Unfamiliar constellations were useless to the birds, which means that they learn constellations as they migrate and use them to navigate on future migrations.
Original Video：
How do Birds Navigate? - Sun, Stars, and Magnetic Senses
Key Vocabulary
1. migrate
migrate
[ˈmaɪ.ɡreɪt] (v.)
2. destination
destination
[ˌdes.təˈneɪ.ʃən] (n.)
3. compass
compass
[ˈkʌm.pəs] (n.)
4. constellation
constellation
[ˌkɑːn.stəˈleɪ.ʃən] (n.)
5. landmarks
landmarks
[landmarks] (n.)
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