Logetronography
电子滤波术, 电子选频术
🗣️ 情景例句
You're a real friend!
你是个真正的朋友！
He drinks a lot of vegetable juice.
他每天都喝很多蔬菜汁。
I'm going to the shops. I want to buy some food for supper this evening.
我要去商场，想买些东西为晚饭做准备。