Himet
碳化钛硬质合金
🗣️ 情景例句
That naughty boy seems to tell his family too many lies.
这个顽皮的小男孩似乎对家人说了很多谎。
A proper amount of exercise contributes to good health.
适度的运动有益于健康。
We've got to think of ways of changing people's habits.
我们得想想办法，改变人们的习惯。