Positron emission tomography
[化] 正电子成象术
🧩 词语组成解析
n. 正电子\\n[化] 正子; 正电子
n. X线断层摄影术\\n[医] X线体层照相术, X线断层照相术
🗣️ 情景例句
He was dumb from birth.
他生下来就是哑巴。
Just listen to me, and you'll be fine.
听我的准没错。
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。