1. Allied transports suffered greatly from German submarine attacks.
    盟国的运输船受到德国潜艇攻击，损失惨重。

2. Submarine cables were laid across the Atlantic.
    铺设了横越大西洋的海底电缆。

1. 潜水艇：比如乔敦桑(Joe Dunthorne),创作了以威尔士南部为背景的小说<潜水艇>>(Submarine),该小说即将被拍成电影. 乔同时是一个天资傲人的诗人,其诗作频繁见于<卫报>>等主流媒体. 还有一位西蒙巴拉克罗(Simon Barraclough)引人瞩目.

2. 潜艇：潜艇(SUBMARINE)武器是鱼雷,鱼雷用来攻击敌人的军舰. 缺点是移动速度慢. 运输舰(TRANSPORT)可以运输各种部队,移动速度快,没有武器. 此外红军还有一些不能买,但可重复使用的武器. 侦察飞机(SPY PLANE)用于侦察地形.

3. 深陷式：straightness 直度 | submarine 深陷式 | surface roughness 表面粗度

4. submarine的意思

4. 海底的：海底 sea floor | 海底的 submarine | 海底地形的 bathyorographical

1. 潜艇(亦使用缩略形式sub)
    A submarine is a type of ship that can travel both above and below the surface of the sea. The abbreviation sub is also used.

    e.g. ...a nuclear submarine.
           核潜艇

2. 水下的;海底的
    Submarine means existing below the surface of the sea.

danci.edu.pub

    e.g. ...submarine caves.
           海底洞穴
    e.g. ...submarine plants.
           海底植物

3. 潜艇三明治，长卷三明治(亦使用缩略形式sub)
    A submarine sandwich is a long soft bread roll filled with a combination of things such as meat, cheese, eggs, and salad. The abbreviation sub is also used.

1. a submersible warship usually armed with torpedoes

    Synonym: pigboatsubU-boat

2. a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments)
    different names are used in different sections of the United States

    Synonym: bombergrinderherohero sandwichhoagiehoagyCuban sandwichItalian sandwichpoor boysubsubmarine sandwichtorpedowedgezep

1. attack by submarine

    e.g. The Germans submarined the Allies

2. control a submarine

3. bring down with a blow to the legs

4. throw with an underhand motion

5. move forward or under in a sliding motion

    e.g. The child was injured when he submarined under the safety belt of the car

1. beneath the surface of the sea

    Synonym: undersea