a. 深及胸部的

ad. 深及胸部地

[ adv ]
up to the breast
<adv.all>
we were standing breast-high in the water

Breast-deep \Breast"-deep`\ (br[e^]st"d[=e]p`), a.
Deep as from the breast to the feet; as high as the breast.

Set him breast-deep in earth, and famish him. --Shak.