Clear rubber outsole featuring All Star logo.

清除橡胶外底，具有全明星的标志。

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Rubber is expected to burn less cleanly, but it is not clear by how much - the 60 grams is an educated guess.

橡胶燃料可能不那么清洁，但这个量不清楚，60克只是学者的猜测。

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Rubber is expected to burn less cleanly, but it is not clear by how much - the 60 grams is just an educated guess.

橡胶燃料可能不那么清洁，但这个量不清楚，60克只是学者的猜测。

youdao

But while Specter supports Obama's economic initiatives, he made clear he would not be a rubber stamp for Democrats.

VOA: standard.2009.04.28

Still, there is a clear political message: no rubber stamps.

CNN: Analysis: Obama can't expect rubber stamp from Democrats

"It makes clear that Romney would be a rubber stamp for the congressional GOP, " a senior campaign official said.

WSJ: Mitt Romney Picks Paul Ryan as Vice Presidential Running Mate

It wasn't clear whether police had used live ammunition or rubber bullets.

WSJ: South Africa Labor Unrest Spurs Deadly Gunbattle