Vulcanizer
[化] 硫化剂
🏥 医学释义
①(橡胶)硫化器，硬化器 ②硬化剂
🗣️ 情景例句
and wait until you're ready to go back to work.
而且会等你准备好了才回去工作。
Which one is more convenient?
哪一个是比较方便的？
Imagine a star up t twenty times larger, brighter, brighter and hotter than our own sun.
设想一下，一颗恒星比我们的太阳还要大，还要亮，还要热20倍，