It was unfortunate that she had erased the message.不幸的是她已经删除了那条短信。I have learned to succor the unfortunate.我学会了周济不幸的人.By an unfortunate oversight, full instructions do not come with the product.由于一个不幸的疏忽，产品未能附上完整的说明。He&#...
哺乳动物是有毛, 热血的,哺乳的动物.Mammals are animals that have hair, are warm - blooded and nourish their young with milk.哺乳的母骆驼三十匹,各带着驹子, 母牛四十头 、 牛十头 、 驴二十头 、 驴十头.Thirty milch camels with colts , forty kine, and ten bulls, twenty she...