at the breast

基本解释

I am good at the breast stroke.
我最擅长的就是蛙泳。
The coat is too tight at the breast.
这件衣服胸部太紧了。
《新英汉大辞典》
We don’t expect babies to self-calm so we rock them to sleep or let them fall asleep at the breast long after they should be learning their own sleep associations.
我们不期望婴儿会自己安静下来，所以我们把他们抱在怀里，慢慢摇着让他们入睡。我们就这么舍不得放手，实际上孩子也早该学着自己入睡了。

Researchers at the University of Michigan say a substance developed from the spices could reduce the possibility of breast tumors.
But the hypothesis was based on this association more or less, that looked at the rates of breast cancer across different countries and how much dietary fat those countries consumed and so you get a nice little scatter plot.
但以上假说,多少也基于一些合作研究,看看乳腺癌在不同国家,的发病率,那些国家在饮食中摄入了多少脂肪,然后就会得到一个不错的散点图
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选
Parkin took home a silver medal in the 200-meter breast stroke at the 2000 Summer Olympics in Sydney.