Snc
abbr. 立体声噪声控制；镍铬钢（Steel Nickel Chrome）
🗣️ 情景例句
Why don't we do it again?
我们再来一次怎么样？
The clerk helped me find what I wanted.
职员帮助我发现我想要的东西。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。