Photogen
[矿]页岩煤油
🔁 扩展释义
【医】 发光菌
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
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？
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？