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Meckel's diverticulum is the rudiment of the embryonic yolk sac.是什么意思？

Meckel's diverticulum is the rudiment of the embryonic yolk sac.

麦克尔憩室是胚胎黄囊的未发育完全器官.

相关词汇
diverticulum is the rudiment of embryonic yolk sac

diverticulum

n. 憩室，支囊，膨部；
例句
Meckel's diverticulum is the rudiment of the embryonic yolk sac.
麦克尔憩室是胚胎黄囊的未发育完全器官.

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；
例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

rudiment

n. 基本原理，雏形， 萌芽，退化器官；
例句
Meckel's diverticulum is the rudiment of the embryonic yolk sac.
麦克尔憩室是胚胎黄囊的未发育完全器官.

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。

embryonic

adj. 胚芽的，胎儿的，初期的；
例句
...Romania's embryonic democracy.
罗马尼亚处于萌芽阶段的民主政体

yolk

n. 蛋黄，卵黄，羊毛油脂，胚乳；
例句
The sauce should not boil or the egg yolk will curdle...
调味汁不能煮沸，不然蛋黄会凝结的。

sac

n. （动植物组织中的）囊，液囊；abbr. 缩写 = (US) Strategic Air Command 战略空军司令部。；
例句
Cirrus sac located between intestinal fork and acetabulum, 0.259 - 0.388×0.146 - 0.178 mm.
虫体形小,体长平均3.538毫米, 阔平均1.088毫米.
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他当众承认自己可能犯了个错误。
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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.
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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。
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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。
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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。
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他很快地把手稿送交给印刷工人。
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银河星云是我们星系中的一团团弥散物.
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多难看的一张脸！
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她最后买下了装饰最漂亮的那个蛋糕.
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你不只是赔钱货, 而且你贬值的速度会越来越快.
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这东西卖疯了。
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他勇敢地捍卫民主原则。
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如果你挠他的下巴，他的耳朵就会摆动。
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恐怕各年龄段的人都有可能得这种病。
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反对热液成固的理由是铀和金有着一致的分布.