Ultramicrospectrophotometer
超显微分光光度计
🗣️ 情景例句
What was that about?
说些什么？
Cleanliness is next to godliness.
清净近乎神圣。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。