Producers use artificial insemination to fertilize the eggs. 生產(chǎn)者往往用人工授精來(lái)使更多蛋受精。
Thomas Beatie, a transgender man of Oregon, gets pregnant by artificial insemination. 美俄勒岡州變形男子托馬斯貝蒂通過(guò)人工授精方式懷孕。
During ovulation the serosa wall is the thinnest.This study provides theoretical evidence for the taxon and artificial reproduction of Rana spinosa. 本實(shí)驗的目的旨在為探討棘胸蛙的分類(lèi)學(xué)地位和棘胸蛙的人工繁殖性能等提供理論依據。
They are Tasmanian devils, disappearing in the world gradually, of the Australia artificial propagation to save this species. 這兩只袋獾幼仔是澳大利亞為了挽救袋獾進(jìn)行的人工繁殖項目的成果。
