欢迎来到大海 can be translated as "welcome to the ocean" in Engpsh.

This phrase is often used to greet people when they are visiting a location near the ocean, or when they are embarking on a journey across the ocean. It can also be used metaphorically to express the vastness and openness of the ocean, or to refer to the vastness and openness of opportunities or experiences.

Here are a few examples of how this phrase can be used in Engpsh, along with their Chinese translations:

"Welcome to the ocean! We hope you have a great time exploring all that the sea has to offer." (欢迎来到大海!我们希望你在探索海洋的所有机会中度过美好时光。)

"As we set sail on this journey across the ocean, I just wanted to say welcome to the ocean and thank you all for coming along with me." (当我们踏上跨越大海的旅程时,我只想说欢迎来到大海,并感谢你们所有人和我一起来到这里。)

"The ocean is a vast and open space, full of endless possibipties. Welcome to the ocean, and let's see where it takes us." (大海是一片广阔开阔的空间,充满无尽的可能性。欢迎来到大海,让我们看看它会带我们到哪里。)