Switchgear
n. 开关齿轮
✅ 同义词
🗣️ 情景例句
He is in conference right now.
他现在在开会。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
Yes, they fit very well.
不错，都很合身。