It's a matter of physics and knowing the reentering object.

这个则属于物理学和对重返地球物体的了解方面的问题了。

youdao

A: It's a matter of physics and knowing the reentering object.

答：这个则属于物理学和对重返地球物体的了解方面的问题了。

youdao

But what's to keep the buoyant gas from working its way up through fractured rock and reentering the atmosphere?

要避免这种活性气体从断裂的岩石逃逸重返大气层又该怎么办呢？

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For U.S. investors, reentering these markets comes with the opportunity for high yields, but a recent history of sharp losses, too.

WSJ: The U.S. Is Back in Asian Debt

While business, having just regained its independence and dignity, is leery of reentering an unequal and self-destructive relationship with the Obama administration.

FORBES

By contrast, in 2007, before the Great Recession began, the share of those reentering the labor force by starting businesses was 8.1 percent.

FORBES: Few Managerial Job Seekers Starting Businesses