Undervulcanization
欠硫化
🗣️ 情景例句
There's nothing wrong with hard work.
刻苦没错。
What is sauce for the goose is sauce for the gander.
适用于甲的，也适用于乙。
Then they arrived just when we wanted them.
这样，他们可以恰好在我们要求的时间到达。