house martin
US /ˈhaʊs ˌmɑːr.tɪn/
UK /ˈhaʊs ˌmɑːr.tɪn/
1.
イワツバメ
a small swallow-like bird with a forked tail, blue-black upperparts, and white underparts, typically nesting in colonies on buildings
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A house martin built its nest under the eaves of our roof.
イワツバメが私たちの屋根の軒下に巣を作った。
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We watched the house martins darting through the air, catching insects.
私たちはイワツバメが空を飛び回り、昆虫を捕まえるのを見た。