短语讲解：

1. A plane was evacuated Wednesday in Louisville, Kentucky, after a passenger reported smoke coming from a Samsung smartphone.

come from 源自; 来自某处; 出生于
例句：He's just come from the countryside.
他刚从乡下来。

2. He told her the phone began making popping noises and started giving off smoke after he turned it off.

give off 发出; 放出; 散发出
例句：The apples give off a very sweet smell.
这些苹果散发出非常香甜的味儿。
turn off （把…） 关掉
例句：Please turn off the power.
请把电源关掉。


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