He expects to have recovered from his calf injury in time.

他期望后部的伤能够及时复元。

The baby's legs flailed under the quilt.

孩的两条被子下面乱动。

Podiatry (or chiropody ) is a branch of medicine devoted to the study, diagnosis and treatment of disorders of the foot , ankle and lower leg.

足医学（手足医学）是医学的一个分，主要是研究、诊断和治疗足、踝和疾病的学科。