Ultratek
镍基合金
🗣️ 情景例句
Now, come on, son. Come on, son.
醒醒， 孩子。醒醒， 孩子。
The timid child would not leave his mother's side.
那个胆小的孩子不愿离开母亲。
On the way, a young man waved to me.
途中，一个青年人向我招手。