Fyrite
富赖特二氧化碳测定仪
🗣️ 情景例句
Can you help me?
你能帮帮我吗？
We can't rely on him.
我们不能依赖他。
Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away.
那位警察对他说，那辆自行车是5天前在400英里外的一个小村里发现的，