Word bank
salmon (n.) 鮭魚 hatch (v.) 孵化
hippocampus (n.) 海馬 male (adj.) 雄性的
go upstream (phr.)
逆流而上
Review
1. They will ___________ and back to the
river where they were born. After they lay
eggs, they will die.
2. The ______ hippocampus is responsible
for _________ the small ___________.
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