Aeromagnetometer
航空地磁仪, 航空磁强计
🗣️ 情景例句
Here I am.
我在这儿！
You are probably right.
你也许是对的。
A few minutes later, I was able to hurry away with precious chalk marks on my baggage.
几分钟后，我终于被放行，手提划着宝贵的粉笔记号的行李，匆匆离去。