1、appear

好像;似乎;看来

There appears to be increasing support for the leadership to take a more aggressive stance.

好像有越来越多的人支持领导层采取更为强势的立场。

The aircraft appears to have crashed near Katmandu.

飞机似乎在加德满都附近坠毁了。

看起来；显得

She did her best to appear more self-assured than she felt.

她竭力让自己表现得比实际更自信。

He is anxious to appear a gentleman.

他急于想表现得像个绅士。

出现；显现

A woman appeared at the far end of the street.

一个女人远远出现在街的尽头。

Last night some of the prisoners appeared on the roof.

昨晚，其中几个犯人出现在房顶上。

2、demand

（强烈）要求;强令

Mr Byers last night demanded an immediate explanation from the Education Secretary.

昨晚拜尔斯先生要求教育大臣立刻作出解释。

Russia demanded that Unita send a delegation to the peace talks.

俄罗斯要求安盟派代表团参加和谈。

所需（或要求）的事物

Researchers wrongly assumed that people were quite clear about the demands of the task.

研究人员错误地认为大家都很清楚该项任务的要求。

the demands and challenges of a new job.

新工作的要求和挑战