... 蛋性状：egg character 蛋生产：egg production 蛋孵化率：egg hatchability ...
2
?蛋类生产
... 大面积生产 extensive production 蛋类生产egg production蛋类生产工业 egg product industry ...
3
?扯蛋
... ? He often is committed to philanthropy and even used their wedding gifts are donated to charity 扯蛋 ? Egg production 在读这本书的时候 ? At the time when read this book ..
You see, adult female birds during eggproduction produce a layer of spongy bone tissue inside certain long bones.
你看，成年雌鸟在产蛋的过程中会在某些长骨内产生一层海绵状的骨组织。
2
Lack, however, suggested that clutch size—the number of eggs a bird lays per breeding cycle—is far below the potential limit of eggproduction.
然而，缺乏情况表明卵的大小——每一个繁殖周期下的蛋的数量——远低于产蛋的潜在限制。
3
Biologists have long debated about whether eggproduction in birds is biologically highly costly, some theorizing that eggproduction is energetically or nutritionally demanding.