Coastland
n. 沿海地区
✅ 同义词
🗣️ 情景例句
I'm not full yet.
我还没吃饱呢！
Keeping is harder than winning.
创业不易，守业更难。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。