Unvulcanized
未硫化的
🗣️ 情景例句
Are you ready, Alexandra?
想好了吗？Alexandra。
In time of peace prepare for war.
居安思危。
When you have finished your experiment, please tidy the lab and put everything back in the cupboards.
做完实验后，请你们把实验室整理好，并把所有的东西放回器皿柜。