单语范例（未经PONS编辑处理）
Some companies will offer either untrained homers, ringnecks, or other types of pigeon or dove.
en.wikipedia.org Other crops produced include rice, cassava, sweet potato, groundnuts, beans and pigeon peas.
en.wikipedia.org The dove is also known by the names of green dove and green-winged pigeon.
en.wikipedia.org The square is a known hangout for bicycle messengers and for pigeons, sparrows, and a few starlings.
en.wikipedia.org Or, as they are known in polite society, pigeon vests, made out of bra-like materials and designed for paratroopers to strap to their chests.
en.wikipedia.org