Retooling
[经] 给机械装备新工具, 革新机械以生产新产品
🗣️ 情景例句
OK. Sit down, please. What would you like, Chinese tea or coffee?
好的，请坐。你想喝点什么，中国茶还是咖啡？
At about seven.
七点左右。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。