例句與造句

1. Modern octane ratings of gasoline are given octane ratings equal to those from this original heptane / octane scale.
2. According to the National Association of Convenience Stores, motorists'reacted to rising gas prices mostly by trading down on the octane scale, from premium to regular, and did not do much else.
3. It's difficult to find octane scale in a sentence. 用octane scale造句挺難的