breeding pairs的意思

breeding pairs中文翻譯：

繁殖對

相似詞語短語

breeding pair───繁殖對

reading chairs───閱讀椅

breeding seasons───繁殖季節

bleeding hearts───流血的心

breaking points───n.[計]斷點；視圖（；eakpoint的復數）

breeding season───繁殖期；繁殖季節；生殖季

breeding stocks───種畜

雙語使用場景

The Slavonian grebe, one of Scotland's most mysterious birds, has been in decline in recent years, with breeding pairs falling from about 80 at their peak during the 1970s and 1980s to just 22 today.───角，蘇格蘭最為神秘的鳥之一，在最近幾年里面數量一直在下降。在20世紀七八十年代的鼎盛時期，有孵育能力的角還有大約80對，而到現在只剩下了22對。

But with a population of only 30, and only two breeding pairs in 2008, its fate hangs by a thread.───然而僅存30只，且只有兩對在2008年配對繁殖，鳳頭燕歐又真是命懸一線。

Twenty-two years after the programme started, there are an estimated 1,000 breeding pairs.───這個項目開始22年后，據估計現在有大約1000對繁衍后代的鳥兒。

victorians hunted them to extinction in the UK but in 1975 they were reintroduced to Scotland from Norway. There are 30 breeding pairs.───維多利亞時代的英國金雕被捕殺絕種，1975年從挪威重新引進了30對雌雄育種金雕到蘇格蘭。

However, we do have several breeding pairs that give 4-6 broods per year.───但是，我們讓幾對繁殖的魚每年繁殖4-6窩。

英語使用場景

It should be noted that counts of breeding pairs of this species must be made early in the year to be accurate.

The stone-curlew reached a low of around 160 breeding pairs in the 1980s, but this year 370 pairs are known to have bred.

The thieves knew exactly what they were after - breeding pairs of parrots and parakeets - six thousand pounds worth.

Triumphantly he promised four breeding pairs from his own small collection to the Trust.

Each summer, they find about thirty five new breeding pairs.

Last year there were 80 breeding pairs which produced 100 fledglings - they are now being studied by Durham University.

There are now only 3,000 breeding pairs in the wild, but there are up to 30,000 in captivity.