Catscan
[医][=computerized axial tomography scanner]计算机化轴向X线断层摄影术扫描器，计算机轴向X线体层摄影扫描机
🗣️ 情景例句
once you get to know them.
一旦认识了周围的人以后。
In all things, it is better to hope than to despair.
凡事抱希望为佳，不应悲观而失望。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。