Read it through once

Tess’s attention was thus attracted to the dairyman’s interlocutor, of whom she could see but the merest patch, owing to his burying his head so persistently in the flank of the milcher. She could not understand why he should be addressed as “sir” even by the dairyman himself. But no explanation was discernible; he remained under the cow long enough to have milked three, uttering a private ejaculation now and then, as if he could not get on.