Metalsorter
金属鉴别仪
🗣️ 情景例句
What are you working on?
你在做什么？
Do you like skiing?
你喜欢滑雪？
He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。