碘容易集于甲状腺.Iodine tends to localize in the thyroid.在左边可见模糊的甲状腺实质边缘。A rim of thyroid parenchyma is seen at the left.用甲状腺部分切除治疗急性甲状腺肿一直被广泛采用.Partial thyroidectomy for toxic goiter was practiced widely....
用对位法来演奏这两首曲调。The two melodies are played in counterpoint.巴赫完善了对位法.Bach perfected the art of counterpointing.用对位法写或安排 ( 音乐 )To write or arrange ( music ) in counterpoint....