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He has been studying archeology these thirty years.是什么意思？

He has been studying archeology these thirty years.

他这三十年来一直在研究考古学.

相关词汇
he has been studying archeology these thirty years

he

pron. 他，它，一个人；n. 雄性动物；
例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；
例句
...the operation a patient has had.
病人做过的手术

been

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去分词 ），在，存在，不受干扰，去过了，be的过去分词；
例句
Have you been able to have any kind of contact?...
你联系上了吗？

studying

v. 学习，研究( study的现在分词 )，想出，详细地检查，背诵（台词等）；
例句
She was very conscious of Max studying her...
她非常清楚马克斯在仔细端详她。

archeology

n. 考古学， 古物学，文化遗物， 古迹；
例句
He has been studying archeology these thirty years.
他这三十年来一直在研究考古学.

these

adj. 这些的；pron. 这些；
例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

thirty

n. 三十，三十个，三十年代，三十的记号；adj. 三十的，三十个的；num. 三十，三十个；
例句
I saw a man in a blue jacket thirty metres ahead of me...
我看见在我前面30米处有一个身穿蓝色夹克的男人。

years

n. 年( year的名词复数 )，年纪，一年的期间，某年级的学生；
例句
His wife was sentenced to seven years imprisonment for aiding and abetting him...
他的妻子作为他的从犯被判入狱7年。
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。
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。
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。
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
blue pigment
蓝色色素
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
I arrived at the church at two-thirty p.m. to find some early comers outside the main door...
我下午两点半到达教堂，发现大门外面有一些人已经到了。
Gladiator, my cat, frightened me as he meowed his sad song.
“喵喵”, 是我的那只猫“斗士”, 他凄惨的叫声着实吓了我一跳.
Bob woke slowly to sunshine pouring in his window...
直到阳光从窗外泻入，鲍勃才慢慢醒来。
His sense of aimlessness increased.
他越来越感到自己毫无斗志。
This preserves the logical groupings established by the programmer.
这保存了程序员建立的合理分组.
A soft fire makes sweet malt.
文火熬出好麦芽糖.
I was wearing the team's colours.
我穿着该队队衣。
Jack Aldwych lived in a huge, old two-storeyed house overlooking Harbord.
杰克·阿尔德维奇住在一幢可以看见哈博德的巨大的两层旧房子里。