n.[C]

1. 潜艇
   a nuclear-powered submarines

   核动力潜艇

2. 海底生物
3. 水下装置
4. （橄榄球运动员的）低身穿插

a.

1. 海底的
   Submarine cables were laid across the Atlantic.

   铺设了横越大西洋的海底电缆。

2. 水下的
3. 潜艇的
   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。

vt.

1. 用潜水艇攻击（或击沉）

vi.

1. （橄榄球运动员）低身穿插

n.

1. a streamlined warship designed to operate completely submerged in the sea for long periods.
2. (also submarine sandwich) N. Amer. another term for hoagie.

adj.