Weather fronts are bound up with a frontal cyclone. 天气的锋面和锋面气旋密切相关。
The wetting front moved nearly parallel to the soil surface, and its length could be described by a power function of time, when the distribution of initial soil water was uniform. 当初始含水量分布均匀时，降雨入渗过程中湿润锋面几乎平行坡面运移，湿润锋深度与时间的关系可用幂函数描述。
Soft frontal lighting smooths over form. 软正面照明平滑的形式。
The enemy made a frontal attack on our troops. 敌人对我们的部队发动了一次正面的进攻。
