http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
在《PONS词典》中的词汇
在《PONS词典》中的词汇
无例句可用
请尝试其他条目。
单语范例（未经PONS编辑处理）
The rarest caul type is a thick, soft membrane of unknown tissue type, which presumably forms against the infant's head during gestation.
en.wikipedia.org The gestation/pregnancy of a female is 18 days.
en.wikipedia.org The gestation time is 174 days, and the birth of the usually single offspring happens in the spring when food is more plentiful.
en.wikipedia.org Gestation is typically 140 days, and births are normally twins.
en.wikipedia.org Gestation lasts 2124 days, and after birth the 6-8 young are suckled for up to 25 days before the babies are weaned off.
en.wikipedia.org