语文书 / 例句 /

Starfish are actinoid -- that is, they are radially symmetrical.是什么意思？

Starfish are actinoid -- that is, they are radially symmetrical.

海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状.

相关词汇
starfish are actinoid that is they radially symmetrical

starfish

n. 海星（一种海洋动物）；
例句
Asteroidea ( starfish ) contains saponins, sterols, anthraquinones, alkaloids phospholipids and some other components.
海星含皂苷 、 甾醇 、 蒽醌 、 生物碱和脂类等物质.

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

actinoid

adj. 放射线状的；
例句
Starfish are actinoid -- that is, they are radially symmetrical.
海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状.

that

det. 那个，那；pron. 那个，那；conj. 多么，如此…以至，用于某些动词、形容词和名词后，引出各种从句；adv. 不那么，那样；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

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。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；
例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

radially

--
例句
Starfish are actinoid -- that is, they are radially symmetrical.
海星呈放射性形状 —— 那就是说, 它们是呈对称的放射状.

symmetrical

adj. 对称的，匀称的；
例句
...the neat rows of perfectly symmetrical windows.
一排排整齐而且完全对称的窗子
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。
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。
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。
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
The bag comes with detachable straps.
这种包有可拆卸的带子。
A few exceptions would be made, he said, such as for carnivals.
他说一些免责条款将被制定出来, 例如嘉年华会.
Yet the knowledge imparted to him by the chambermaid was rankling in his mind.
可是女仆告诉他的消息刺痛着他的心.
It may even need more as the list of supplicants grows.
由于申请这个基金的企业在增多,所以也许也许还需要更多的资金.
Their domestic reforms did nothing to solve the problem of unemployment...
他们的国内改革未能解决失业问题。
There might be an even bigger one — I doubt it, but you never know.
可能还有个比这还要大的——我觉得有点悬，但也很难说。
In time, the infection became known as " Acquired Immure Deficiency Syndrome "
很快, 这种疾病被称为 “ 获得性免疫缺陷综合症 ”
As the fool thinks, so the bell clinks.
钟声鸣响, 傻瓜梦想.
Nowadays puppy love is not rare among middle school students.
当今中学生早恋现象不是新鲜事了.
Erstwhile workers may have become managers.
过去的工人可能已经成了经理。