Spdt
[电] 单极双投
🗣️ 情景例句
Nothing remains to be said.
现在已经没什么好说的了。
Laws catch flies but let hornets go free.
法网只捉苍蝇，不捉黄蜂。
Let me see the specifications for that.
让我看看它的规格说明书吧。