被掉包的“鉆石”

The plane was late and detectives were waiting at the airport all morning. They were expecting a valuable parcel of diamonds from South Africa. A few hours earlier, someone had told the police that thieves would try to steal the diamonds. When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield. Two men took the parcel off the plane and carried it into the Customs House. While two detectives were keeping guard at the door, two others opened the parcel. To their surprise, the precious parcel was full of stones and sand!

課文注釋

1 detectives were waiting at the airport all morning,

偵探們?cè)跈C(jī)場(chǎng)等了整整一上午。句中的動(dòng)詞時(shí)態(tài)是過(guò)去進(jìn)行時(shí)。過(guò)去進(jìn)行時(shí)常用來(lái)表示過(guò)去某時(shí)正在進(jìn)行的情況或動(dòng)作。本課課文中有4個(gè)句子使用了過(guò)去進(jìn)行時(shí)。參看第1冊(cè)第117-119等課中的例句。

2 keep guard, 守衛(wèi)。

3 to their surprise,

使他們吃驚的是。

本文參考譯文

飛機(jī)誤點(diǎn)了，偵探們?cè)跈C(jī)場(chǎng)等了整整一上午。他們正期待從南非來(lái)的一個(gè)裝著鉆石的貴重包裹。數(shù)小時(shí)以前，有人向警方報(bào)告，說(shuō)有人企圖偷走這些鉆石。當(dāng)飛機(jī)到達(dá)時(shí)，一些偵探等候在主樓內(nèi)，另一些偵探則守候在停機(jī)坪上。有兩個(gè)人把包裹拿下飛機(jī)，進(jìn)了海關(guān)。這時(shí)兩個(gè)偵探把住門口，另外兩個(gè)偵探打開(kāi)了包裹。令他們吃驚的是，那珍貴的包裹里面裝的全是石頭和沙子!

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