Harmonograph
谐振记录器
🗣️ 情景例句
I would like to improve my English pronunciation.
我想改善我的英语发音。
Packing will help push the sales.
包装有助于推销产品。
My plane leaves at seven, so I think we'll take a taxi.
飞机7:00起飞，因此我想我们得乘出租车去。