At last firemen have put out a big forest fire in California. | 1)注意at last放在句首,突出了后面發(fā)生的事情,具有強(qiáng)調(diào)作用。 2)put out,撲滅、熄滅。 3)a big forest fire,森林大火。 |
Since then, they ahve been trying to find out how the fire began. | 1)since then,自從那之后。這是完成時(shí)的標(biāo)志性時(shí)間狀語。 2)本句的謂語動詞try采用了現(xiàn)在完成進(jìn)行時(shí),說明消防員一直都在努力撲火。 3)find out,查清楚、弄明白。 4)how the fire began,在句中用作find out的賓語。注意雖然這句話時(shí)問句,但因?yàn)楸挥米髁藦木洌砸謴?fù)正常語序。此外,要注意begin用了一般過去時(shí),是因?yàn)樽髡呦氡磉_(dá)的意思是:火在過去是怎么燒起來的。 |
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away. | 1)本句話采用了一般現(xiàn)在時(shí),是因?yàn)樵陉U述客觀事實(shí)。 2)which引導(dǎo)的是限定性定語從句,修飾先行詞broken glass和cigarette。 3)carelessly,馬虎地、不小心地。相反的表達(dá)是carefully。 4)throw away,丟棄、丟掉。 |
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass. | 1)examine,檢查、檢測。其動作名詞為examination,可簡寫為exam;表人的名詞為examiner。 2)注意but后面省略了they,因?yàn)榍昂笾髡Z是一致的。 |
They were also quite sure that a cigarette end did not start the fire. | 1)be sure of/about sth.,對...很肯定。如果后接句子,則用法為:be sure that...。 2)start,引起。 |
This morning, however, a firemen accidentally discovered the cause. | 1)注意however可以放在句首、句中和句末,但:在句首時(shí),后面要用逗號隔開;在句中時(shí),前后都要用逗號隔開;在句末時(shí),前面要用逗號隔開。 2)accidentally,偶然地。該詞源自accident(偶然性或突發(fā)性事故)。 3)discover,發(fā)現(xiàn)、探索。注意該詞的構(gòu)詞方式為:dis-+cover,其中的c在發(fā)音時(shí)要濁化為[g]。其名詞形式為discovery。 4)cause,起因。該詞可以用作動詞,表示“導(dǎo)致”。 |
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line. | 1)notice,注意到。該詞可以用作名詞,表示“通知;告示”。 2)remains,尸體、殘骸。 3)which引導(dǎo)的是限定性定語從句,修飾先行詞a snake。 4)wind round,纏繞在...上。注意wind在此用作動詞,其中的i的發(fā)音為[a?],要注意wind作為名詞中的i的發(fā)音為[?]。此外,還要注意的是作為動詞的wind,其過去式為wound,但其中的ou發(fā)音為[au],要注意與名詞wound(傷口)的發(fā)音區(qū)別,其中的ou發(fā)音為[u:]。 5)electric,帶電的。其名詞為electricity。 6)power line,電力線。 |
In this way, he was able to solve the mystery. | 1)in this way,通過這個(gè)辦法。 2)be able to,好不容易得以、能夠。 3)solve the mystery,解決謎團(tuán)。 |
The explanation was simple but very unusual. | 1)explanation,解釋。源自動詞explain。 2)simple,簡單的。注意與easy的區(qū)別:simple側(cè)重事情顯而易見,不難懂;而easy側(cè)重事情的難度小,容易做。 3)unusual,不尋常的。源自usual。 |
A bird had snatched up the snake from the ground and then dropped it on to the wires. The sanke then wound itself round the wires. | 1)snatch up,抓起。 2)drop,丟掉、丟棄。注意其過去式要雙寫p。 3)wind oneself round,纏繞在...上面。 |
When it did so, it sent sparks down to the ground and these immediately started a fire. | 1)注意句中的did so是指前文的wound itself round the wires。 2)spark,電火花。 3)start a fire,引起火災(zāi)。 |