1、discover

發現(以前不知道的事實)

She discovered that they'd escaped.

她發現他們已經逃跑了。

I discovered I was pregnant.

我發現自己懷孕了。

(第一個)發現

the first European to discover America.

第一個發現美洲大陸的歐洲人

In the 19th century, gold was discovered in California.

19 世紀時，在加利福尼亞發現了金子。

初次接觸(某活動并樂在其中)

I wish I'd discovered photography when I was younger.

我要是早點接觸到攝影技術就好了。

Discover the delights and luxury of a private yacht.

體驗私人游艇的樂趣和奢華。

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。

出現；顯現

A woman appeared at the far end of the street.

一個女人遠遠出現在街的盡頭。

Last night some of the prisoners appeared on the roof.

昨晚，其中幾個犯人出現在房頂上。