alert過去式和用法例句
alert過去式和用法例句
alert做動詞有使意識到;警惕等意思,那么你知道alert過去式是什么嗎?下面學(xué)習(xí)啦小編為大家?guī)淼腶lert的過去式和用法例句,供大家參考學(xué)習(xí)!
alert的過去式和其他時態(tài):
過去式: alerted
過去分詞: alerted
現(xiàn)在分詞: alerting
alert的用法:
alert的用法1:alert的基本意思是指讓某人對可能發(fā)生的危險(xiǎn)或潛在的危險(xiǎn)保持警覺或準(zhǔn)備好迎擊敵人,可譯作“(向)…發(fā)出警告,使處于戒備狀態(tài)”。
alert的用法2:alert是及物動詞,提醒、警覺或戒備的內(nèi)容常由介詞to引出,提醒作為準(zhǔn)備的內(nèi)容則由介詞for引出。
alert的用法3:alert也接雙賓語,其直接賓語多為that引導(dǎo)的從句。alert還可接以動詞不定式充當(dāng)補(bǔ)足語的復(fù)合賓語。
alert的過去式例句:
1. The mystery hero imme-diately alerted police after spotting a bomb.
那個無名英雄發(fā)現(xiàn)炸彈后馬上報(bào)了警。
2. The 23-year-old's screams alerted a passerby who went to her rescue.
那個23歲女孩的尖叫引來了一位過路人前去營救。
3. Neighbours heard the sound of rifle fire and alerted the police.
鄰居們聽到了步槍聲,就報(bào)了警。
4. Communities downstream have been alerted.
下游的社區(qū)已經(jīng)接到了預(yù)警。
5. A surly jobsworth alerted security.
一個態(tài)度粗暴、工作死板的人叫了警衛(wèi)。
6. The coastguard was alerted.
海岸警衛(wèi)隊(duì)已接到報(bào)警。
7. The boss alerted him that thief might come out at night.
老板要他提防夜里可能有賊.
8. The voice of the caller alerted her.
呼喚者的聲音使她警覺起來.
9. The operator is alerted to this situation by blinking front - panel indicators.
面板上的指示器將出現(xiàn)閃光,對操作者發(fā)出出現(xiàn)這種情況的警告.
10. The New Orleans police would by now be alerted.
新奧爾良的警察現(xiàn)在可能已處于待命狀態(tài).
11. Such diffidence calmed rather than alerted us.
這種優(yōu)柔寡斷的調(diào)子沒有使我們警覺起來,反倒使我們安心了.
12. Had Walden alerted the police yet ?
沃爾登通知警察了 嗎 ?
13. You asked to be alerted when this item is changed.
您要求當(dāng)此項(xiàng)目被更改后收到通知.
14. The doctor alerted me to the danger of a heart attack.
醫(yī)生提醒我注意心臟病發(fā)作的危險(xiǎn).
15. The coast guard alerted the town to the coming hurricane.
海岸警備隊(duì)令市民警覺即將來臨的颶風(fēng).