Spet
[医][=single photon emission tomography]单光子发射体层摄影术
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
I asked him to keep quiet, but he wouldn't.
我请他保持肃静，但是他不肯。
Who was second? Who was third?
谁是第二？谁是第三？