更多oestrus例句

1. An apparent instance of hostility between rival males competing for an oestrus female was observed on September 2, 1950.
2. Vaginal smears at this stage often showed nucleated cells characteristic of oestrus.
3. Females examined in February mostly were perforate and many of them appeared to be in oestrus.
4. Females which had borne and suckled young were first found to be in oestrus 65 to 104 days after birth of the young.
5. It is, however, less prominent than in oestrus, and does not gape.