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black alum

常見例句

In potash it turns black, but in alum nothing happens until you bring it to the boil, then purple colour comes flooding out.
在碳酸鉀中，它變成黑色，而在明礬中一開始卻什么反應都沒有，直到煮沸后紫色都溢出來了。
The latest ones who were recently tapped to salute the late King of Pop at the upcoming gig are R&B quartet Black Eyed Peas and "American Idol" alum Jennifer Hudson.
最新的那些最近被請來已故國王致敬的流行音樂會是在即將到來的黑眼豆豆R&B四重奏“美國偶像”的明礬珍妮弗哈德森。
christina-china.com
Four prototype HALTT (“Helicopter Alert and Threat Termination“) sensors are now on board Black Hawk helicopters and deployed to Afghanistan, as Danger Room alum Nathan Hodge reports.
四件HALTT（直升機預警與威脅解除）傳感器樣件目前已裝在黑鷹直升機上，應用于阿富汗，如險情辦公室Nathan Hodge所報道的。

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