1、common

常見的;普遍的

His name was Hansen, a common name in Norway.

他的名字叫漢森，在挪威是一個常見的名字。

Oil pollution is the commonest cause of death for seabirds.

石油污染是造成海鳥死亡最常見的原因。

共有的;共同的

Moldavians and Romanians share a common language.

摩爾達維亞人和羅馬尼亞人使用同一種語言。

Such behaviour is common to all young people.

這種行為在年輕人中司空見慣。

尋常的;普通的

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

民主也許能提升普通人的政治地位，讓他們產生優越感。

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

食鹽由40%的鈉和60%的氯化物構成。

2、appear

好像;似乎;看來

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

好像有越來越多的人支持領導層采取更為強勢的立場。

The aircraft appears to have crashed near Katmandu.

飛機似乎在加德滿都附近墜毀了。

看起來；顯得

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

她竭力讓自己表現得比實際更自信。

He is anxious to appear a gentleman.

他急于想表現得像個紳士。

開始存在；產生

small white flowers which appear in early summer.

初夏時綻放的白色小花

Slogans have appeared on walls around the city.

標語已出現在全城周圍的墻上。