Lambertite
斜硅钙铀矿
🗣️ 情景例句
to go over to the construction site with me?
去看一看建筑工地吗？
Could you tell me the cost of production per unit?
请你告诉我每件成品的生产成本好吗？
Would you do me a favor?
你能帮我一个忙吗？