Hepcin
七菌素
🗣️ 情景例句
Please tell me about it right way.
请立即告诉我是什么。
Health and cheerfulness mutually beget each other.
健康愉快，相生相成。
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。