Understoke
自下给(燃)料, 底部给煤
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
She made a notable contribution to science.
她对科学做出了杰出的贡献。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。