expense n. 費(fèi)用，開(kāi)銷，花費(fèi)
[特征]
- What are the expenses of these goods?
這些商品的費(fèi)用是多少？
- A new car can be a great expense.
買一輛新汽車要花很多錢。
[備考必背] 重要詞組
at one's expense 由某人付款
- We were all entertained at Tom's expense.
我們?nèi)蓽氛?qǐng)客。
at the expense of 以……為代價(jià)
He became a brilliant scholar, but only at the expense of his health.
他成為了一位卓越的學(xué)者，卻犧牲了健康。
at any expense 不管花費(fèi)多少錢
- He wanted to buy the book at any expense.
不管花多少錢他都想買這本書。
explain v. 解釋，說(shuō)明
[特征]
- The boy was explaining to the teacher why he was late.
這個(gè)男孩正向老師解釋他為什么遲到。
- Please explain to me where to begin and how to do it.
請(qǐng)向我說(shuō)明從哪里開(kāi)始以及怎樣做。
[考點(diǎn)]
①explain后面不能接the reason，這一點(diǎn)經(jīng)?？嫉?。
（誤）Can you explain the reason why you were late?
（正）Can you explain why you were late?
你能解釋一下為什么遲到嗎？
②表示“給某人解釋……”，explain后不直接接某人，也不用for，而用介詞to。
（誤）The teacher explained us this problem.
（正）The teacher explained this problem to us.
老師給我們解釋了這道難題。
[備考必背] 派生詞
explanation n. 解釋，說(shuō)明
- The text still needs explanation.
課文還需要被解釋。
explode v. （使）爆炸，（突然）爆發(fā)
[特征]
- It's a custom to explode fireworks to celebrate the Spring Festival.
燃放爆竹慶祝春節(jié)是一種習(xí)俗。
- The bomb exploded near the tall building.
炸彈在這座高樓附近爆炸了。
[備考必背] 重要詞組
explode with anger 勃然大怒 explode with laughter 哄堂大笑
- The audience exploded with laughter.
觀眾哄堂大笑。
expose v. 使暴露，使曝光，揭露
[特征]
- Don't expose your skin to the flaming sun.
別把你的皮膚暴露在炎熱的陽(yáng)光下。
- This film has been exposed. 這片子已經(jīng)曝光了。
[備考必背] 重要詞組
expose ... to ... 把……暴露在……
- The company exposed the plan to the newspapers.
公司向幾家報(bào)紙透露了這個(gè)計(jì)劃。