Photopion
光生π介子
🗣️ 情景例句
Now point to the buildings.
现在请指着那些建筑物。
You must have dialed the wrong number.
你肯定拨错了号。
You might as well throw your money away as spend it in gambling.
你与其把钱花在赌博上，不如把它丢掉的好。