high sea

high sea的音标是[ˈhaɪ ˌsiː]，基本翻译是公海。速记技巧：谐音“嗨丝衣”，表示海上的意思。

High Sea的英文词源是拉丁语，意为“在公海上”。High Sea最初是指不受任何国家主权管辖的海域，后来逐渐演变为国际法中的一个概念，用于描述在国际关系中不受任何国家管辖的区域。

High Sea的变化形式主要有复数形式，即High Seas，以及过去式和过去分词形式，即HighSea。

相关单词：ocean、sea、seaways、coast、seaside、seabed、strait、marine、shelf等。ocean是一个与High Sea密切相关的单词，因为它也是指“海洋”，而海洋正是公海的一部分。seaways是一个合成词，指“通往海洋的道路”，用于描述海上交通路线。coast是一个与海相邻的单词，指“海岸线”。seaside则是指“海滨”，常常用于描述靠近海洋的地方。seabed和strait都与海洋底部和海峡有关，而marine和shelf则与海洋生物和海底地形有关。这些单词都与High Sea有着密切的联系，并从不同的角度描述了与海洋相关的概念。

常用短语：

1. high seas piracy

2. high seas robbery

3. high seas adventure

4. high seas voyage

5. on the high seas

6. at sea on the high seas

7. high seas smuggling

例句：

1. The pirates attacked the merchant ship on the high seas.

2. He had a thrilling high seas voyage when he was sailing around the world.

3. We are at sea on the high seas right now.

4. High seas smuggling is a serious criminal activity.

5. The ship was lost at sea on a voyage to a distant port.

6. The captain of the ship was at the helm, navigating the vessel through the high seas.

7. The high seas are a dangerous and unpredictable environment.

英文小作文：

The vast expanse of the high seas is a mysterious and unexplored world, full of adventure and danger. These are waters beyond the jurisdiction of any country, where ships from all over the world come to trade and travel. But it is also a place where criminal activities like piracy and smuggling thrive, making it a dangerous environment for sailors and tourists alike.

On the other hand, the high seas are also home to some of the most incredible natural wonders on Earth, like the Great Barrier Reef or the North Pacific Ocean currents. These places attract divers and explorers from all over the world, who come to experience the beauty and wonders of this untamed environment.

However, it is important to remember that the high seas are a delicate and fragile ecosystem, and any harm done to it can have long-lasting effects on the entire planet. It is our responsibility to protect this environment and preserve its natural beauty for future generations.