sirens怎么读？

n.汽笛( siren的名词复数 )，妖冶而危险的女人，危险的诱惑，塞壬（古希腊传说中半人半鸟的女海妖，惯以美妙的歌声引诱水手，使他们的船只或触礁或驶入危险水域）...

Police cars, their sirens wailing, accompanied the lorries...警车护送着大卡车，一路警笛长鸣。The fire engines were just pulling up, sirens blaring...消防车正要停下来，警报器发出刺耳的声音。On large ranches, copters have sirens for scaring out cattle lost i...

The fire engines were just pulling up, sirens blaring.消防车正要停下来，警报器发出刺耳的声音。She heard the sirens scream their unearthly wail.她听到警报器发出可怕的尖叫声。Police cars, their sirens wailing, accompanied the lorries.警车护送着大卡车，一路警笛长鸣。...

在这样的测定中,采用Gooch坩埚或类似的过滤器.Gooch crucibles or similar filters are used for such measurements.所有重量分析需要某种坩埚或器皿保留残渣或沉淀物.All gravimetric measurements require some sort of crucible or dish to hold the residue or precipitate.大多数...

The main gold bearing minerals include arsenopyrite, pyrrhotine, pyrite, galena and sphalerite.金矿的主要载金矿物分别为:毒砂 、 磁黄铁矿 、 黄铁矿 、 方铅矿和闪锌矿.Diethyldithiocarbamate was more better selective collector than Xanthate on galena.与黄药...

brainstorms的音标：...

decoders的音标：...

observe的第三人称单数（三单）为：observes...

The agreement removes the last serious obstacle to the signing of the arms treaty...这个协议排除了签订武器条约的最后一个严重障碍。Lack of money has proved an almost insurmountable obstacle.资金不足已成为一个几乎无法逾越的障碍。Most competition cars will only rol...

Will you please give your seat to this old woman . Young Pioneer?“你可以把你的座位让给这位老奶奶 吗 ?少先队员?”The Young Pioneer saw the blind man across the road.这个少先队员扶着盲人过了马路.Two members of the Young Pioneer came and gave me a hand.这时来了两...

farewell的近义词/同义词有：departing, parting, leave, taking, leaving, you, good-by, cheerio, day, see, so, good, long, later, leaving, parting, good, cheerio, goodbye, so, luck, day, long。adj.farewell的近义词（告别的）：departing, parting...

我不喜欢这种学究的口吻.I have no brow of such a pedagogical tone.他对学究式的评论发起坚决的反攻.He launched a determined attack on academic criticism.老朽无能的学究最令人讨厌不过。Nothing is more tiresome than a superannuated pedagogue....

Muslim的音标：Muslim的英式发音音标为：['mʊzlɪm]Muslim的美式发音音标为：['mʌzləm, 'mʊz-, 'mʌs-, 'mʊs-]...

然后这些卵细胞被冻存,当需要使用的时候再解冻.The eggs were then frozen and later thawed for use.卵细胞里面的开放碱基对可以被CTCF识别.And open bases can be recognised by CTCF in the egg.卵细胞发育成鲸体就是其中一例.An egg cell producing the body of a whale is one....

adj.短期的，短程的...

adj.筋疲力尽的v.毁灭，使疲倦( fordo的过去分词 )...

The students gave him a rapturous welcome, chanting in unison: "We want the king!"学生们给予了他热烈的欢迎，他们齐声高喊：“我们要国王！”The cold breeze moved through the bushes around him, whispering just loud enough to obscure the chanting.冷飕飕的风...

vt.引用，引证，[法]传讯，表扬，[军事]传（或通）令嘉奖n.例证，引文...