Eftir
abbr. emission Fourier transform infrared spectrometer 发射式傅里叶变换红外分光仪
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
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Education is one of the key words of our time.
教育是我们这个时代的关键词之一。