这一谣言的出现离贾斯丁在戈麦斯演唱会上惊喜现身仅一周之隔。
This rumored breakup comes just a week after Bieber made a surprise appearance at one of Gomez's concerts.
此外，这两种设备还经常出现离焰和火焰滞后现象，设备会承受严重的火焰冲刷冲击。
Additionally, these systems often create unstable and elongated flames, which can lead to severe flame impingement in process tubes.
一簇星星点点的光亮出现在离树林边缘不远的地方。
A cluster of specks of light appeared near the edge of the woods.
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