Osciducer
中频偏移传感器, 振荡传感器
🗣️ 情景例句
I heard that you get vitamin D from sunshine, and that you soak it like a sponge.
我听说人们像海绵一样从阳光中摄入维生素D。
When do you leave?
你何时起程？
It's a bike.
一辆自行车。