Postvulcanization
后硫化, 二次硫化
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
Fruit ripens not well in the shade.
阴凉处的果子不会成熟。
What can I do for you?
要我帮忙吗？