Sacd
[医][=semi-automatic checkout equipment]半自动检验设备
🗣️ 情景例句
I understand your feelings about it, Richard.
我了解你对这种事的心情， Richard。
By doing nothing we learn to do ill.
懒散学为非。
It is all too easy to blame the railway authorities when something does go wrong.
因此，一旦铁路上真出了问题，人们便不加思索地责备铁路当局。