Read it through once

She again took up the shining skimmer, held it beneath the pump, and began anew. But she could not, as at other times, hit the exact under-surface of the cream with the delicate dexterity required, try as she might; sometimes she was cutting down into the milk, sometimes in the air. She could hardly see, her eyes having filled with two blurring tears drawn forth by a grief which, to this her best friend and dear advocate, she could never explain.