Scd
abbr. 安全编码装置（security coding device）；太阳捕获装置（Solar Capture Device）
🗣️ 情景例句
The battle was very historic.
那场战役在历史上很重要。
To solve the problem
解决问题
So much is certain: that we would have doctors and preachers,
虽然我们还会有医生和牧师、