题目内容
【题目】Light travels at a speed of (299,800) kilometers per second.
【答案】two hundred and ninety –nine thousand eight hundred
【解析】句意：光的传播速度是每秒二十九万九千八百千米。所以答案是two hundred and ninety –nine thousand eight hundred
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题目内容
【题目】Light travels at a speed of (299,800) kilometers per second.
【答案】two hundred and ninety –nine thousand eight hundred
【解析】句意：光的传播速度是每秒二十九万九千八百千米。所以答案是two hundred and ninety –nine thousand eight hundred