Aortolith
[医] 主动脉石
🗣️ 情景例句
Excuse me, but could I ask you a quick question?
对不起，我能问你一个简短的问题吗？
Live to learn and learn to live.
生而学之，学而生之。
Look at the sun! It's very bright.
瞧，阳光灿烂！