Prevulcanize
预先硫化, 早期硫化
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
Express your ideas clearly to me.
把你的构想向我说清楚。
In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。