The robbery was committed by a group of delinquents.

那起抢劫案是一群青少年干的。

The controversial experiment involved secretly filming a group of children.

那个有争议的试验涉及对一群儿童的秘密拍摄。

Aloe chromone is a group of anti-inflammatory and anti-tyrosinase constituents found in aloe vera leaves.

芦荟色酮是芦荟叶中特有的一类具有抗炎和抑制酪氨酸酶等作用的活性物质。

A group of young pioneers always accompany the disabled girl to the school.

一群少先队员常常送那位残疾女孩上。

A group of soldiers escorted the President.

一队士兵护卫着总统。

A group of children are playing in the fountain in the park.

有一群孩的喷泉中玩耍。

A group of enthusiasts have undertaken the reconstruction of a steam locomotive.

一群火车迷已担负起重造蒸汽车的任务。

There is a group of figures on the left of the painting.

这幅画的左方是一群人像。

A group of girls was waiting by the school.

一群女孩校旁边等着。

We met a group of cyclists on a tour in the Lake District.

我们湖区旅游时碰上了一队骑自行车的人。

They were a group of early navigators.

他们是一群早期的航海家。

As he walked through the lobby, he skirted a group of ladies.

他穿过门厅时, 绕过了一群女士。

The grey shape resolved into a group of walkers.

灰色的影慢慢呈现为一群走路的人。

The store detective had his eye on a group of boys who were acting suspiciously.

商店侦探留意着一群行为可疑的男孩。

A group of farmers were transplanted to the island by the government.

一批农民被政府迁到这个岛上居住。

Mimetite group minerals are a group of isomorphic series minerals with hexagonal system,which include mimetite,vanadinite and pyromorphite.

砷铅矿族矿物是一族六方晶系的类质同象系列矿物，包括砷铅矿、钒铅矿和磷氯铅矿。

Acridone alkaloids, a group of important bioactive compounds, are mainly in the citrus plant of Rutaceae family.

摘要吖啶酮生物碱是一类重要的生物活性物质，芸香科柑橘类植物是天然吖啶酮的主要来源。

The sculpture of a group of heroes in the centre of the city square shows a master hand.

市中心广场的英雄群像的雕塑显示了高超的艺术。

A group of children dispersed.

一群孩散开了。

Oculocutaneous albinism(OCA) is a group of autosomal recessive disorders of melanin synthesis,which is characterized by congenital hypopigmentation of skin,hair and eyes.

眼皮肤白化病是由于黑色素合成相关基因突变导致眼、皮肤、毛发黑色素沉着减少或缺乏引起的一类常染色体隐形遗传疾病的总称。