Pionic
a. π介子的
🗣️ 情景例句
Glad to know you.
很高兴认识你。
Do you live on Dundas St?
你在登打士街居住吗？
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。