✅ 同义词
🔴 反义词
🗣️ 情景例句
His concert brought the house down.
他的音乐会博得满堂彩。
This material feel hand, How does that materoal feel?
这种布料感觉起来很硬，那块料子如何呢？
The letter x stands for an unknown number.
字母x代表未知数。