Ultramicron
[化] 超微粒子\\n[医] 超微粒
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会的会议。
I've brought my car, so I can drive you to your hotel.
我开车来的，所以我开车送你到旅馆。
is the slowest and has travelled round the earth through the surface rocks.
是最慢的，是围绕地球通过表面岩石传来的。