Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right-or left-handed when the offspring would have the same genetic predisposition.(這也不能解釋為什么在一個由父母一方決定用利手的物種中，當后代具有相同的遺傳傾向時，他們并非完全是右撇子或左撇子。)

Among other benefits, this allows her to freeze the development of an embryo during times of drought and food shortage until the offspring in the pouch is able to leave.(在其他好處中，這使她能夠在干旱和食物短缺時期凍結胚胎的發育，直到育兒袋中的后代有能力自己離開。)

One theory is that bipedality evolved in conjunction with the nuclear family: monogamous parents cooperating to care for their offspring.(有一種理論認為，兩足動物的進化與核心家庭有關：一夫一妻制的父母合作照顧他們的后代。)

To see whether the plan was working, scientists tracked every panther, as well as its offspring.(為了弄清這個計劃是否奏效，科學家們追蹤了每只黑豹及其后代。)

The offspring contain a mixture of the genetic blueprint of each parent.(后代體內含有父母親基因圖譜的混合。)

This allows her to freeze the development of an embryo during times of drought and food shortage until the offspring in the pouch is able to leave.(這使她能夠在干旱和食物短缺時暫緩胚胎的發育，直到育兒袋里的后代能夠獨立生活。)

The virus was less deadly to the offspring of surviving rabbits, however, and it caused less and less harm over the years.(然而，這種病毒對幸存的兔子后代致命性更低，多年來造成的傷害也越來越小。)

Is that possible for the offspring to make it on their own so young?(有沒有可能是它們的后代這么小就自己謀生呢？)

Many species are similar enough that hybrid offspring are possible and may often occur in nature, but for the majority of species, this rule generally holds.(許多物種非常相似，因此有可能雜交繁衍出后代，而且這種情況可能經常在自然界中發生；但對于大多數物種來說，這一規則大體適用。)

The answer might involve their offspring, which in their larval form drift in the currents to colonize new vents.(答案可能與它們以幼蟲形式隨著洋流漂流到新的噴氣口的后代有關。)

用作名詞(n.)

John is her only offspring.
約翰是她唯一的孩子。How many offspring does a lion usually have?
一只獅子通常能生多少只小獅子?

They do all they can to encourage their off-springs to learn Welsh.