Researchers have discovered a "very small door" that allows the testes to send one-way signals to the immune system, and it could explain why some men struggle with infertility, and why certain cancer vaccines keep failing. 5.

  • 研究人员发现了“一扇非常小的门”使睾丸可以向免疫系统发送单向信号,这解释了为什么一些男性会被不孕症所困扰,也解释了某些癌症疫苗一直失败的原因。
  • 来源:互联网摘选更新时间:2026-07-01 16:08:44

  • 重点词汇
  • somedet. 一些,若干;某些,部分;某个;好些,不少的,相当多的;少量的;真可谓,算不上;
  • testesn.睾丸(testis的复数);
  • menn.人( man的名词复数 );人类;男人;男子汉;
  • andconj. 和;与;而且;于是;然后
  • toprep. 向,朝着;到;关于;属于;
  • explainv.解释;辩解,说明…的理由;
  • haveaux. 用以构成完成式及完成式的不定式,表示已经…;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • 相关例句
1、

He did look very green, and when the cart stopped at last beside a small door in the passage wall, Hagrid got out and had to lean against the wall to stop his knees from trembling.

他看上去确实脸色发青。当小车在一扇小门边停下来的时候,海格走出来,不得不靠住墙使自己的膝盖停止颤抖。

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2、

"on the north a big screen wall painted white, behind which was a small door leading to an apartment." This section is very numerous, making up about one-half of the petty bourgeoisie.

“北边立着一个粉油大影壁,后有一半大门,小小一所房室.”这一部分人数甚多,大概占小资产阶级的一半。

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3、

At the end of the class, the lecturer would usually leave by a small door near the blackboards, while the class would leave through the large doors at the back of the hall.

通常下课后,老师会从黑板旁边的小门离开,而学生则分别走礼堂后面的几扇大门。

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4、

So he led the minister's wife into the basement and showed her way out through a small door beside the coal storage place which led the way up onto the street.

他将公使夫人领到地下室,让她从煤堆旁的一扇小门走出去,可以直通街上。

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5、

All glances were directed towards a single point, a wooden bench placed against a small door, in the stretch of wall on the President's left;

所有的目光都集中在唯一的一点上,那就是在庭长左方、沿墙靠着一扇小门的那条木凳上。

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6、

Outside the small door, busy looking people passed by hurriedly. I was one of them, until I found this moment of soulful peace and rest.

小门外,是形色匆匆的路人,我本来也是其中之一,却在这里得到片刻身体和心灵上的放松和休息。

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7、

The cubs were sickly and undersized. The small door opened and Gus stepped inside the cage.

那些幼兽又弱又矮小.小门开了,葛斯踏进兽笼。

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8、

Merlin made his way to a small door in the castle wall. The hill was surmounted with a large castle.

梅林一路赶到城堡墙下的一个小门前。小山上有一座巨大的城堡。

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9、

Then she opens a small door and enters a dark bedroom.

然后她打来一扇小小的门,然后进入了黑黑的卧室。

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10、

A few minutes later, she was able to get through the small door.

几分钟后,她便变小到足以通过那扇门了。

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11、

The wall moved under his hands and a small door opened.

墙在他手下动起来并且出现了一道小门。

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12、

Access is by means of a small door on the right.

入口处在右边的一个小门。

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13、

The harpy from which the eagle derives its name was a mythical wreaker of vengeance.

鹰的名字来自哈比(Harpy),神话中的一个复仇者。

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14、

And the greatest and most endangered species in the Amazon Rainforest is not the jaguar, it's not the harpy eagle, it's the isolated and uncontacted tribes.

在亚马逊热带雨林中,最伟大而最濒危的物种不是美洲豹,也不是美洲角雕,而是与世隔绝的人类部落。

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15、

Could anything be more majestic, serene or threatening than the largest bird of prey in the world, the harpy eagle, soaring above its domain?

有什么比世界上最大的食肉猛禽热带大雕在它的领地上方搏击长空更加壮丽,更加安详,又更具威胁性呢?

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16、

Among these species is the harpy eagle, which has a six or seven-foot wingspan and is perhaps the most powerful bird in the world.

角雕是其中的一种,它们的翼幅达6-7英尺,可能是世界上力量最强大的鸟类。

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17、

The famed and feared harpy eagle has killed again.

鼎鼎大名、令人生畏的热带大雕又杀生了。

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18、

Like its Filipino cousm, the harpy eagle nests in the tops of the largest forest trees.

和它的菲律宾同伴一样,热带大雕把巢筑在最大的树顶上。

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19、

Folklore has long held that the harpy eagle preys on human babies as well as forest animals.

民间传说里,一直认为热带大雕既捕食森林动物,也捕食婴儿。

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20、

While it is likely to call for the practice to be a criminal offence in the worst cases of abuse, it is expected to stop short of suggesting harmonised jail sentences across the EU.

虽然有可能提出,在严重违反相关规定的情况下,雇用非法移民的行为被界定为刑事犯罪,但预计它将不会建议统一全欧盟的监禁判决。

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