It's the crucial species that keeps the system going.
它是保持系统继续运行的关键物种。
A few notes on getting your PS3 system going.
关于运行PS 3系统的几点说明。
And you are observing the system going around.
你观察着周围的,双星系统。
"It was always thought that you needed a little bit of something to get the system going.
VOA: standard.2009.11.17
How is your immune system going to recognize that this virus is there causing bad results if it's living inside of a cell and doing all its business inside a cell where antibodies can't get to it?
你的免疫系统怎样才能识别,作恶多端的病毒呢,如果它隐藏在细胞中进行繁殖,而抗体又无法进入细胞,那该怎么办
The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.
顶部盖了盖子的热水瓶,不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。
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