by sea

by sea的音标是[baɪ ʃeɪ]，基本翻译是“乘船，经海路”。速记技巧是：by后加某种交通方式，中间加“海/sea”表示乘船。

By sea的英文词源是by+sea，表示通过海洋。这个词组可以理解为通过海路，或者海上运输。

变化形式：By sea既可以作为名词短语使用，也可以作为副词短语使用。

相关单词：

1.Shipping（航运）：指海上运输，是海运业的一部分。

2.Coastal shipping（沿海航运）：指在沿海地区进行的海上运输。

3.Oceanic shipping（远洋航运）：指跨越大洋的海上运输。

4.Sea freight（海运费）：指通过海上运输所需的费用。

5.Sea route（海上航线）：指通过海洋进行运输的路线。

6.Sea captain（船长）：指负责海上运输的船只负责人。

7.Sea port（海港）：指用于海上运输的港口。

8.Sea freighter（海运货船）：指专门用于海上运输的货船。

9.Sea travel（海上旅行）：指在海上航行的经历。

10.Sea lion（海狮）：是一种生活在海洋中的哺乳动物，与sea这个词有相似之处。

以上这些单词都与by sea这个短语有直接或间接的联系，体现了英语中词汇之间的相互关联和演变。

常用短语：

1. by sea boat

2. by sea freight

3. by sea route

4. by sea transport

5. by sea to sea

6. by sea road

7. by sea way

例句：

1. We shipped the goods by sea to avoid the high cost of air freight.

2. The goods were shipped by sea and arrived on time.

3. The goods were transported by sea and reached their destination safely.

4. We will send the goods by sea freight to save costs.

5. The goods were shipped by sea route and arrived in a few days.

6. By sea road, we can avoid the traffic congestion on the highway.

7. The goods will be shipped by sea way and arrive in a few weeks.

英文小作文：

The ocean is a vast expanse that covers most of the Earth"s surface. It is a natural resource that provides many benefits to mankind, such as food, transportation, and trade. However, it is also a dangerous environment that can pose risks to ships and cargo. Therefore, it is essential to use safe and reliable methods of transportation such as by sea freight to ensure that goods are delivered safely and on time. By using sea freight, we can avoid delays and ensure that our goods reach their destination without any damage or loss. Additionally, it is also important to maintain a safe and secure environment for shipping operations, which requires constant vigilance and cooperation between governments and shipping companies. In conclusion, the ocean is a valuable resource that provides many benefits to mankind, but it also poses risks that must be taken into account when transporting goods by sea freight.