[考題] 這一題到底是甚麼意思呢?
考題:TOEFL
題目:Only when mixed with about fifteen times its weight in air does
gasoline allow the carburetor to run smoothly.
提問:搞不清楚 到底是油比空氣是15:1 還是1:15? its在本句表示甚麼呢?
請大大幫忙嚕!
感謝
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