①铝型砷(Al-As)：用0.5 mol/L NH4F提取的砷酸铝盐；②铁型砷(Fe-As)：用0.1 mol/L NaOH提取的砷酸铁盐；③钙型砷(Ca-As)：用0.25 mol/L H2SO4提...
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Amr ibn al-AS 阿姆鲁
K-Al-As 钾铝砷
ga al as laser 镓铝砷激光
Sirr al-As-rār 秘学玄旨
as sayl al kabir 大赛勒
jazirat al hanish as saghir 小哈尼什岛
al-akhtal as-saghir 小艾赫泰勒
ADV You use alas to say that you think that the facts you are talking about are sad or unfortunate. 唉 (表示难过或不幸的惊叹声) [正式] [ADV with cl]
Such scandals have not, alas, been absent.
唉，这样的丑闻也不是没有。
Al gore calls global warming an "inconvenient truth," as if merely recognizing it could put us on a path to a solution.
戈尔称全球变暖是一个“难以忽视的事实”，就好像仅仅认识到它就能让我们走上解决问题的道路。
There are many famous places such as Burj Khalifa tower, Burj al Arab hotel and the palm islands.
这儿有许多著名的景点，例如哈利法塔塔，阿拉伯酒店塔和棕榈岛。
They want al-Shabab as far away from their borders as possible.
他们希望青年党尽可能远离他们的边境。
She has studied the social meaning of American Sign Language as well as the Al-Sayyid Bedouin Sign Language in Israel.
VOA: special.2010.10.01
"And I think al-Qaida is out there even as we meet trying to figure out how to do that."
VOA: standard.2010.02.14
While there was no immediate claim of responsibility, suspicion quickly fell on al-Qaida in Iraq as well as Sunni militants.
VOA: standard.2010.05.10
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