Geomagnetometer
地磁仪
🗣️ 情景例句
What line of work are you in?
你做哪一行的？
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。
yes, there is.
是的，有一条。