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Surgical techniques are constantly being refined.是什么意思？

Surgical techniques are constantly being refined.

外科手术的技术不断得到完善。

相关词汇
surgical techniques are constantly being refined

surgical

adj. 外科的，外科手术的，（服装）治疗用的；
例句
Hospitals lack even basic drugs for surgical operations.
医院连最基本的外科手术药物也没有。

techniques

n. 技巧( technique的名词复数 )，手法，技术，技能；
例句
The techniques are being applied almost everywhere by big and small firms alike.
无论在大公司还是小公司，这些技术的应用几乎无处不在。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

constantly

adv. 不断地，时常地，始终，一直；
例句
Her dedication constantly astonishes me.
她的奉献精神总是让我震惊。

being

n. 存在，生物，人，要素，本质；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

refined

adj. 精炼的，精制的，经过改良的，举止优雅的；v. 精炼( refine的过去式和过去分词)，精制，使纯净，使文雅高尚；
例句
Oil is refined to remove naturally occurring impurities.
油经过提炼去除天然存在的杂质。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
He pulled his arms out of the sleeves...
他把胳膊从袖子里抽出来。
...his powers of endurance.
他的忍耐力
...Byzantine civilisation...
拜占庭文明
He doesn't drink much and doesn't touch drugs...
他喝酒不多，也不沾毒品。
I should have been in the shade like all the other tourists, then I wouldn't have got burned...
我本应该像其他旅游者一样呆在阴凉处的，那么我就不会晒伤了。
...the eve of the Millennium.
千禧年前夜
The car is some 40mm shorter than its predecessor.
这辆轿车比原先的车型短了约40毫米。
He was drinking himself into a stupor every night.
他每晚都喝得不省人事。
He could remember a time when he had worked like that himself...
他还能记得自己一度工作起来也是那个样子。
At the time, his appointment seemed a stroke of genius.
当时，对他的任命犹如神来之笔。