您要查找的是不是：
- 棕硬尾鸭ruddy duck
- 硬尾烯sclarene
- 硬尾醇sclarcol
- 针尾鸭pintail
- 雉尾鸭pheasant-tailed widgeon
- 硬尾子宫扩张器pratt solid uterine dilator
- 尖尾鸭翠扎把bundled pintail speculum feather
- 斯克拉醇，硬尾醇Sclareol
- 美洲针尾鸭American pintail
- 变硬stiffen
- 硬笔书法hard-tipped pen calligraphical works
- 芭芭内鸭系由野鸭与普通鸭杂交而成。A barbary duck is a cross between a wild duck and an ordinary duck.
- 片尾tail leader
- 她用硬毛刷清洗水槽。She cleaned the sink with a stiff brush.
- 母鸭female duck
- 追尾rear-end
- 超硬ultrahard
- 鸡和鸭是两种类型的家禽。Chicken and ducks are two types of fowl.
- 啊，你们俩还是单独去吧！你们不想我硬夹在你们中间吧。On, you two go by yourselves! You don't want me coming along playing gooseberry.
- 正餐我们吃鸡还是吃鸭?Shall we have chicken or duck for dinner?
