The interstellar cloud of gas and dust is an active star-forming region.
由气体和尘埃组成的星系云是一个恒星形成的活跃区域。
But most of the hydrogen in the Universe isn't in some exciting, star-forming region.
可惜，宇宙中只有很少一部分氢原子存在于引人注目的恒星形成区。
Transition region design is the key technique of sheet section forming.
区设计是板材分段成形的关键技术。
Transition region design is the key technique of sheet section forming.
区设计是板材分段成形的关键技术。
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