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Among 52 species of mollusca identified , 45 were gastropods, 7 were bivalves.是什么意思？

Among 52 species of mollusca identified , 45 were gastropods, 7 were bivalves.

调查期间采到的软体动物已鉴定52种,其中腹足类45种, 双壳类7种.

相关词汇
among species of identified were bivalves

among

prep. （表示牵涉）经过，（表示位置）处在…中，（表示范围）在…之内，（表示所属）为…所特有；
例句
The system is failing most disastrously among less academic children.
这种制度对学习不太好的孩子效果最差。

species

n. 物种，种类，类型，[逻辑] 个体；
例句
Some animal and plant species cannot accommodate to the rapidly changing conditions...
某些种类的动植物不能适应迅速变化的环境。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

identified

v. 认出( identify的过去式和过去分词 )，支持，确认，辨认；
例句
He was identified only by his uniform and personal belongings.
他的身份只是通过制服和个人财物确定了下来。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；
例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

bivalves

蚌类；
例句
The fauna in the Joli Fou consists of bivalves and arenaceous forams.
乔里富组内的化石主要是双壳类和砂壳有孔虫.
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
I watched the climbers come down into the valley.
我注视着爬山者下到山谷里去了。
Shingles are often dipped in creosote.
屋顶板常浸涂木焦油.
Occasionally they paid for their indiscretion with their lives.
有时候他们因自己的轻率而搭上性命。
My influence over her is small.
我对她的影响不大。
A man who can think will always have an advantage over others.
能动脑子的人总是会胜过别人.
Businessmen are tired of politicians talking the economy down.
商人厌烦政客们贬低经济的重要性.
...our variegated dialects.
我们形形色色的方言
If you want to test, to test a Vouching Clerk is also more useful to some.
你如果要考, 去考个单证员还更有用一些.
The inset demonstrates a typical giant cell with a round, pink intracytoplasmic inclusion.
插图显示典型的巨细胞,圆形, 有粉红色胞质包涵体.
The girl has a good look.
这个女孩长得很好看。