1、discover

發(fā)現(xiàn)(以前不知道的事實)

She discovered that they'd escaped.

她發(fā)現(xiàn)他們已經(jīng)逃跑了。

I discovered I was pregnant.

我發(fā)現(xiàn)自己懷孕了。

(第一個)發(fā)現(xiàn)

the first European to discover America.

第一個發(fā)現(xiàn)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(fā)現(xiàn)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(shù)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、backward

向后的，往后的（一些人亦使用backwards)

He unlocked the door of apartment two and disappeared inside after a backward glance at Larry.

他打開2號公寓的門，回頭瞥了拉里一眼，然后就進了房間。

He did a backward flip.

他做了一個后空翻。

倒退的；不進反退的

At a certain age, it's not viable for men to take a backward step into unskilled work.

到了一定的年齡，就不可能再退回去干不需要技能的工作。

Many dentists will no longer treat National Health Service patients, which is a big backward step in this country.

許多牙醫(yī)不再為依靠國民保健制度的病人看病，這是該國的一大倒退。

遲鈍的；學(xué)習(xí)吃力的

research into teaching techniques to help backward children.

關(guān)于幫助落后孩子的教學(xué)方法研究

I was slow to walk and talk and my parents thought I was backward.

我學(xué)走路和說話都很慢，所以我父母以為我很遲鈍。