adj.右侧的；用右手的；右旋的

A dextral flatfish lies with the right eye uppermost. 右侧比目鱼躺着时右边的眼睛在最上面。

The case shown in Figure 56 corresponds to a dextral horizontal displacement along a vertical fault surface. 图56所示例子表示沿垂直断层面的右旋水平位移。

The main shock occurred on the dextral obduction-type fault zone and the hypocenter depth was about 15km . 汶川地震的主震发生在具有右旋性质的仰冲型断层带上，震源深度为15公里左右。

It was resulted from the early compressional shearing, and underwent dextral shearing in the late stage. 该构造带形成于早期的挤压剪切作用，后期发育右行走滑剪切作用。

A dextral gastropod shell with the apex upward has its opening on the right when facing the observer. 从面对观察者的方向看，具有向上顶点的右旋腹足动物壳在右侧有一个开口。