Phasograph
测量相位畸变的电桥
🗣️ 情景例句
How fresh are these vegetables?
这些蔬菜有多新鲜？
Thank you for giving me an opportunity to speak about myself at this special occasion.
谢谢大家给我机会在这样一个特别的场合介绍我自己。
There we are!It's a lovely vase.
这只漂亮的花瓶。