A seaport is a town or city by the sea — or close enough — with a harbour that big ships can use. Cargo ships bring boxes, oil, grain; passenger ships used to come and go, and some still do.

A seaport seaport是is a town or city一個城鎮或城市by the sea靠海— or close enough或離海夠近— with a harbour一個港口that big ships can use能讓大船使用的；Cargo ships貨船bring運來boxes, oil, grain貨櫃、石油、穀物; passenger ships客船used to come and go以前也會往來, and some有些現在still do仍然如此

The word points to the place as a whole, not only the water: shops, roads, cranes, and the people whose work is tied to the ships.

The word這個字points to指的是the place as a whole整個地方, not only the water不只是水域而已: shops, roads, cranes商店、道路、吊車, and the people以及whose work is tied to the ships工作跟船隻有關的人

A tiny fishing village with a few boats is a harbour, though actually we usually keep seaport for somewhere large enough that ocean-going ships call there. Inland cities on a big river can be ports too, but a seaport is specifically on the coast.

A tiny fishing village一個小漁村with a few boats只有幾艘船的is是a harbour港口（harbour）, though actually不過其實we我們usually keep通常保留seaport seaport這個字for somewhere給那種large enough大到that ocean-going ships call there遠洋船隻會停靠的地方；Inland cities內陸城市on a big river在大河邊的can be ports too也可以是港口（port）, but a seaport seaport specifically是is on the coast特指在海岸邊的那種

In ordinary talk, port and seaport often cover the same idea; seaport just makes the sea part loud and clear.

In ordinary talk在日常說法裡, port and seaport port跟seaport often cover通常指the same idea同一件事; seaport seaport只是just makes讓the sea part海這部分loud and clear講得更清楚