扇形

The bedrooms also have cross ventilation via fanlight windows above doors.

卧室则通过门上的扇形窗对流通风。

The troops stormed the enemy's trenches and fanned out across the fields.

部队猛攻敌人的战壕, 并在田野上呈扇形散开。

Note the clear vacuoles in the colloid next to the epithelium where the increased activity of the epithelium to produce increased thyroid hormone has led to scalloping out of the colloid.

临近上细胞的可见清晰泡，此处上细胞活跃，甲状腺激素分泌增多，形成扇形的边缘。