The line between the combatant and non - combatant ship, already indistinct, had almost vanished.是什么意思？

The line between the combatant and non - combatant ship, already indistinct, had almost vanished.

战斗舰与 非 战斗舰之间的那种本来已经不十分明显的界线, 这时几乎已不存在了.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

line

n. 线条，排，行列，界线；vt. 排队，用线标出，沿…排列成行，给…安衬

例句
Every time I fluffed a line Lenny got me out of trouble with a brilliant ad-lib.
每次我台词出错时，伦尼都通过机智的临场发挥帮我解围。

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

combatant

adj. 战斗的，好斗的；n. 斗士，战士，争斗者，[体]队员；

例句
They come from the combatant nations.
他们来自各参战国。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

Non

adv. 非，不；n. [法]反对票，投反对票的人；

例句
Above its doors was a Latin inscription: Non omnia possumus omnes...
门的上方刻有拉丁文铭“人非万能”。

ship

n. 船，<口>宇宙飞船，（舰船上的）全体船员，运气；vt.& vi. 运送；vt. 把…装上船，装好（船具），上市，使乘船；vi. 在船上工作，乘船旅行，当船员；

例句
The officers and crew prepared to abandon ship in an orderly fashion.
全体船员秩序井然地准备弃船。

already

adv. 早已，已经，先前；

例句
He has already voted by absentee ballot...
他已进行了缺席投票。

indistinct

adj. 不清楚的，模糊的；n. 不清楚，模糊；adv. 不清楚地，模糊地；

例句
...the indistinct murmur of voices.
模糊不清的低语声

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

almost

adv. 几乎，差不多，将近，快要，近乎；

例句
Despite considerable pain she has been getting out and about almost as normal...
尽管还很痛，她已经基本上行动如常。

vanished

adj. 消失了的；v. 消失( vanish的过去式和过去分词 )，突然不见，不复存在，绝迹；

例句
The ship vanished into the depths.
船消失在了大海深处。