| 1. | He feathered arrows with duck's feathers .
他用鸭毛给箭装上箭翎。 |
| 2. | The ducklings have shed their yellow down .
小鸭褪了黄毛。 |
| 3. | Contact angles are of interest to ducks and swans .
接触角对鸭和天鹅是颇为重要的。 |
| 4. | We passed a pool in which ducks were swimming .
我们走过一个池塘，塘中鸭儿在戏水。 |
| 5. | Ducks are sporting on the lake .
湖面上鸭群在嬉戏。 |
| 6. | The duck was wounded in the wing .
鸭膀子受伤了。 |
| 7. | The ducklings are cheeping .
小鸭咻咻地叫着。 |
| 8. | We remove these rear controls and install them as canard controls .
我们把尾部控制改为鸭式控制。 |
| 9. | Arsenicals have been shown to produce severe leg weakness in ducks .
现已证明，砷剂可使鸭产生严重的腿软。 |
| 10. | Oh , yes , the feed is crammed into the duck 's mouth by a special keeper .
是，是指饲养员将饲料填入鸭嘴里。 |
