Involatile substance
[化] 不挥发性物质
🧩 词语组成解析
不挥发的
🗣️ 情景例句
Well, it was great to see you again. Let's not wait this long next time.
可以再见到你真是太好了，希望我们下次见面不用等这么久。
The face is the index of the mind (or heart).
相为心证。
may have left an automatic messenger behind to await the possible awakening of an advanced civilization.
很可能会在离开太阳系时留下自动化信息装置，等待先进文明的觉醒。