1、common

常见的;普遍的

His name was Hansen, a common name in Norway.

他的名字叫汉森，在挪威是一个常见的名字。

Oil pollution is the commonest cause of death for seabirds.

石油污染是造成海鸟死亡最常见的原因。

共有的;共同的

Moldavians and Romanians share a common language.

摩尔达维亚人和罗马尼亚人使用同一种语言。

Such behaviour is common to all young people.

这种行为在年轻人中司空见惯。

寻常的;普通的

Democracy might elevate the common man to a position of political superiority.

民主也许能提升普通人的政治地位，让他们产生优越感。

Common salt is made up of 40% sodium and 60% chloride.

食盐由40%的钠和60%的氯化物构成。

2、assumption

假定;假设;臆断

They have taken a wrong turning in their assumption that all men and women think alike.

他们错误地设想所有男女均见解一致。

Dr Subroto questioned the scientific assumption on which the global warming theory is based.

苏布罗托博士质疑全球变暖理论所依据的科学假设。

（权力的）取得；（责任的）承担

The government have retained the support which greeted their assumption of power last March.

自从在刚过去的三月掌权以来，政府的支持率依旧未减。