Photopion
光生π介子
??? 情景例句
Now point to the buildings.
現在請指著那些建筑物。
You must have dialed the wrong number.
你肯定撥錯了號。
You might as well throw your money away as spend it in gambling.
你與其把錢花在賭博上，不如把它丟掉的好。