Logetronography
电子滤波术, 电子选频术
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
You did a great job.
你赶得很好。