Sacd
[医][=semi-automatic checkout equipment]半自动检验设备
🗣️ 情景例句
Who's this?
你是谁？
He's concentrating on learning English.
他集中精力学英语。
I immediately regretted answering in the way I did, but I said, 'I enjoy cleaning windows at night.'
“我喜欢在夜里擦窗子。”