Magnetometric
测磁的
🗣️ 情景例句
I'm glad to make you acquaintance.
我很高兴认识你。
There is a black sheep in every flock.
群群羊中有黑羊。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。