The relationship between different genotypes and birth weight,body weight on 30 days and effective teat number were analyzed.
试验选择野家杂交猪(大白猪和野猪杂交)F1代猪群261头,采用PCR-RFLP法进行了PRL基因的基因型和等位基因频率检测及不同基因型的仔猪初生重、30日龄体重和有效乳头数效应分析。
Greg： Oh, yeah, you could milk anything with nipples.
格雷格：当然，任何有乳头的东西都可以挤奶。
Make a visual examination of the breasts and nipples, looking for changes in their contour, shape, colour and skin texture and any evidence of discharge from the nipples.
观察乳房和乳头的轮廓、形状、颜色和质感有没有改变，乳头有没有分泌物流出的迹象。
Galactographic Features in Breast Cancer with Nipple Discharge and the Correlation between the Galactographic and Pathologic Findings;
伴有乳头溢液乳腺癌的乳腺导管造影表现与病理对照研究
Shaped like a breast or nipple.
乳房状的或乳头状的
Some have circled rings around them that are beginning to pucker.
有时乳头周围还会出现带褶皱的圆环。
An udder, breast, or teat of a female animal.
雌性动物的乳房或乳头
resembling or covered with papillae.
类似于乳头的，或以乳头覆盖的。
A nipple - shaped protuberance.
乳头状物乳头形的隆起物
As a result there are fifteen to twenty passages through the nipple, resulting in just as many openings in the nipple
因此，乳头内有到15至21个这样的通道，乳头上也就会有相同数量的开口。
papillary cells existed in adaxial petal epidermis and stigmas.
在花瓣的近轴面和柱头表面有长乳突状细胞。
the bulb of a tooth
齿穴中的乳头状突起物
In one place, near at hand, a stalagmite had been slowly growing up from the ground for ages, builded by the water-drip from a stalactite overhead.
不远处有个石笋，已有些年月，它是由头顶上的钟乳石滴水所形成的。
To draw milk from the teat or udder of(a female mammal.
挤奶从（雌性哺乳动物）的乳头或乳房中挤奶
Galactography in diagnosis of intradutal papilloma of the breast
乳腺导管造影对乳管内乳头状瘤的诊断价值
It is better to strip a cow.
最好把牛乳头里的乳汁挤干。
The nipple is surrounded by pigmented circular skin called the areola.
乳头周围颜色较深的部位称为乳晕。
Strict adherence to nipple hygiene is essential during breast feeding.
在哺乳期要严格保持乳头的清洁卫生。
Mammography and magnetic resonance imaging for diagnosis of the intraductal papilloma of the breast
乳腺导管内乳头状瘤的钼靶和MRI诊断