전문 번역가, 번역 회사, 웹 페이지 및 자유롭게 사용할 수 있는 번역 저장소 등을 활용합니다.
lorsque le pseudolangrayen d'afrique a été découvert au , gustav hartlaub le rapproche des rolles, et il est plus tard placé soit dans sa propre famille, ou avec les langrayens.
when the african river martin was first discovered in the 19th century, gustav hartlaub thought it was a roller, and later authors either placed it in its own family, or with the woodswallows.
le seul autre membre de la sous-famille est le pseudolangrayen d'asie ("pseudochelidon sirintarae"), connu seulement dans un site en thaïlande et peut-être éteint.
the only other member of the subfamily is the white-eyed river martin "pseudochelidon sirintarae", known only from one site in thailand and possibly extinct.