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[化] 单光子发射计算机化断层显像
🗣️ 情景例句
My mistake. it won't happen again.
是我的错。 不会再发生类似的事情了。
I'd like to make an appointment with Mrs. Green.
我想约个时间见格林女士。
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。