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an excretory organ of certain invertebrates.是什么意思？

an excretory organ of certain invertebrates.

某些无脊椎动物的排泄器官

相关词汇
an excretory organ of certain invertebrates

an

art. 一（在元音字母前代替不定代词a），一任一某一，一个；
例句
He started eating an apple...
他开始吃苹果。

excretory

n. 排泄器官；adj. 排泄（物）的；
例句
Exercise stimulates the digestive and excretory systems...
锻炼能促进消化和排泄系统的活动。

organ

n. 机构，器官，风琴，元件；
例句
We ended with Blake's Jerusalem, accompanied on the organ by Herbert Wiseman.
在赫伯特·怀斯曼的风琴伴奏下，我们演唱了布莱克的《耶路撒冷》作为终曲。

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。

certain

adj. 某一，必然的，已确定的；pron. [动词用复数]某些；
例句
Paramedics are trained to administer certain drugs.
护理人员们接受了配发某些药物的培训。

invertebrates

n. 无脊椎动物( invertebrate的名词复数 )；
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
It’s nineteen past nine.
九点过十九分。
May I beg you for a subscription?
能请您捐点钱吗?
Seeing him again after so many years was a strange sensation.
那么多年以后又见到他, 是一种不可思议的感觉。
The child sat trifling with the burnt bread upon his plate.
孩子坐着翻弄盘中烤焦的面包。
Young children latch onto phrases and repeat them over and over.
小孩子喜欢成语，一遍遍地重复。
I don't want to go there, furthermore, I have no time to do so.
我不想去那里, 而且我也没时间去。
She is radical in her demands.
她的要求十分偏激
Harry’s always going around opening windows. He’s got a bee in his bonnet about fresh air.
哈里总是到处去开窗，他就惦记着新鲜空气。
I want to take this occasion to thank you.
我想借此机会向你表示感谢。
The terrible injuries I saw in that accident really rammed home for me the importance of wearing seat belts.
我看到了那场车祸中当事人受伤的惨状之后，真正明白了系安全带的重要性。