The time that high tide occurs at a particular place is affected by the factors like the position of the moon, channels in the sea bottom and ______.

【参考答案】

variations in the coast line在短文中清楚地知道，发生潮汐高潮的时间受月亮位置、海岸线变化及海......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)