Dynaform
同轴开关
🗣️ 情景例句
I have something for you. I made it myself.
我有件东西给你们， 是我亲手做的。
Could you give us detailed descriptions of the capabilities of your product?
请你把你们产品的性能给我们详细说明一下好吗？
It's much cheaper to camp than to stay in a hotel.
露营比住旅馆要便宜多了。