lesser scaup

同根派生

英汉例句

• Lesser Scaup Aythya affinis, Northern Pintail Anas acuta, and several sea ducks are showing troubling declines, but most geese are increasing dramatically and many ducks have held steady.
  一些鸟类如针尾鸭和海鸭等的数量仍然在下降，但是大多数雁类的数量都有了明显增加，很多鸭子的数量也保持稳定。
• lesser scaup [duck]
  小斑背潜鸭
• lesser scaup duck
  小斑背潜鸭
• This is the lesser evil of the two.
  这是两种弊病中较轻的。
• Don't waste time on these lesser matters.
  别把时间浪费在那些无关紧要的事情上。