Sectionalizer
分段隔离开关
🗣️ 情景例句
What are you getting at?
你想说明什么？
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
and some of these propositions have been violently opposed.
对风俗的研究才是全面的，才会有收获。