| 1. | Suckling is an instinct in mammals . 哺乳是哺乳动物的本能。 |
| 2. | Other seed-eating mammals may become troublesome . 其它取食种子的哺乳类也会引起麻烦。 |
| 3. | Amazingly little is known about human lactation, or nursing . 对人类哺育婴儿或哺乳所知甚少。 |
| 4. | Mammals arose from a fairly primitive reptile in the mesozoic era . 哺乳类起源于中生代宛若原始的爬虫类。 |
| 5. | Nursing stimulates further production of prolactin and, therefore, of milk . 哺乳本身刺激催乳激素的产生,从而生产更多的乳汁。 |
| 6. | In mammalian species, a variety of chromosomal rearrangements are known to exist . 在哺乳类的物种中,已知有许多类型的染色体内部重新排列。 |
| 7. | Cancers arising during lactation are treated in a conventional manner after suppression of lactation . 哺乳期乳癌在哺乳结束后,按常规进行治疗。 |
| 8. | Nursing produces an emotional closeness between a mother and her child that has immeasurable value . 哺乳可促使母子间的感情亲密,其价值是无法衡量的。 |
| 9. | Female water buffaloes allow their calves to nurse much longer than do cattle-often right up to the time the next calf is born . 母水牛哺乳牛犊的时间比黄牛长得多,往往要到下一次产犊时才停止。 |
| 10. | Test of lactating piglets partially warm - keeping control 哺乳仔猪局部采暖保温试验研究 |