Canities
[医] 灰发[症]
🗣️ 情景例句
I've met my soul mate.
我已经找到了精神上的伴侣。
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。