Pionic
a. π介子的
🗣️ 情景例句
It is.
是的。
Where do you have your lunch?
你在哪儿吃午饭？
You do not have to devise ways of taking your mind off the journey, for an aeroplane gets you to your destination rapidly.
你不必想办法去摆脱旅途的困扰，因为飞机会迅速地把你送到目的地。