Dehydrocyclization
脱氢环化(作用)
🗣️ 情景例句
before getting to the tough stuff--math.
在对付难缠的东西 数学 之前。
The clothes dryer gets very hot.
衣物干燥机变得非常热了。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。