美[b?n] 1 . The house seemed muted, hushed as if it had been deserted.
房子里似乎悄然無(wú)聲，安靜得好像已經(jīng)沒(méi)人在住一樣。
來(lái)自柯林斯例句
2 . It had once been the home of a wealthy nobleman.
這里曾是一個(gè)有錢(qián)貴族的宅邸。
來(lái)自柯林斯例句
3 . These files have been zipped up to take up less disk space.
這些文檔已經(jīng)進(jìn)行了壓縮，以節(jié)省磁盤(pán)空間。
來(lái)自柯林斯例句
4 . The commander and some of the men had been released.
指揮官和一些士兵已經(jīng)獲釋。
來(lái)自柯林斯例句
5 . There has been a busy start to polling in today's local elections.
今天地方選舉的投票一開(kāi)始就人頭攢動(dòng)。
來(lái)自柯林斯例句
1 . 被
Troops tried to enter the building which had beencaptured and wired with explosive charges ., 軍隊(duì)試圖進(jìn)入這座已經(jīng)被占領(lǐng)并綁滿(mǎn)炸藥的建筑.
2 . 是
beemistress 養(yǎng)蜂女been是beep 嗶嗶聲
3 . 過(guò)
Close contacts have beenplaced under medical observation and all remain well ., 對(duì)于和他有過(guò)密切接觸的人現(xiàn)在置于醫(yī)學(xué)觀察之下 , 現(xiàn)在都很健康.
4 . 了
i cant recall how long it has been., 我回憶不起來(lái)多長(zhǎng)時(shí)間了.
been英音：[bi:n]美音：[bɪn] been be的過(guò)去分詞，是 has been 用于完成時(shí)，表示“已經(jīng)” eg. Scientists think that there has been life on Earth for millions of years 科學(xué)家認(rèn)為生命存在于地球已經(jīng)有幾百萬(wàn)年了。 have been done現(xiàn)在完成時(shí)的被動(dòng)形式，表示已經(jīng)被完成 have been doing現(xiàn)在完成進(jìn)行時(shí)，表示到現(xiàn)在為止仍然在進(jìn)行。 The work has been done.工作已經(jīng)被完成了。強(qiáng)調(diào)結(jié)果 They have been playing foot
