Pneumonics
压气(射流自动)学
🗣️ 情景例句
That's what it is.
的确是如此。
The market is declining, we recommend your immediate acceptance.
市场在萎缩，我们建议你方马上接受。
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。