Preductivity
生产,生产力,多产
🗣️ 情景例句
Or at least I think I do.
至少我想我有了答案。
Please give my best regards to your family.
请代我致最高的敬意，向你的家人问好。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。