海运的英文：
shipping by sea
sea mail

参考例句：

Non-negotiable maritime transport document (generic).
不可转让的海运单证（通用）。

Will the goods be sent by air or sea freight?
货物是空运还是海运？

Slow speed is the chief drawback of sea shipment.
海运最大的缺点是速度慢。

Air mail is quicker than sea mail.
空邮比海运快。

Packing should be suitable for sea voyage.
包装要适合于海运。

Are the goods to be flown or shipped?
这些货物是空运还是海运？

Do you have any interest in shipping?
您对海运有兴趣吗?

I'd like to send this parcel by registered sea mail
这包裹我想寄海运挂号。

The third party ocean Bill of Lading is not acceptable.
第三方的海运提单是不被接受的。

This term can he used only for sea and inland waterway transport.
该术语仅适用于海运或内河运输。

shipping是什么意思：
n. 船舶；航运（业）

The ship docked.
船靠码头了。

the belly of a ship.
轮船内部

Their ship was grounded.
他们的船搁浅了。

sea是什么意思：
n. 海，海洋；大量，茫茫一片

Beyond the seas
在国外,在海外

He adventured on a unknown seas.
他冒险驶入陌生的海域。

White breast of the dim sea.
朦胧的海洋那雪白的胸脯。

mail是什么意思：
n. 邮政，邮递；邮件；盔甲
v. 邮寄；给…穿盔甲

Send the memo by express mail.
把这份备忘录用快递寄出。

mail and luggage van
邮政行李车

This parcel came in the mail today.
这个包裹是今天邮来的。