Cutanit
刀具硬质合金
🗣️ 情景例句
Mary, what's your favorite sport?
玛丽，你最喜欢什么运动？
He's not afraid of working hard.
他不怕吃苦。
If people don't stop polluting the seas and rivers, there will be no fish left.
如果人们不停止污染海洋和河流的行为，那么，就没有鱼会留下来了。