Paleomagnetism
n. [物]古磁学
🗣️ 情景例句
A stitch in time saves nine.
亡羊补牢，犹为未晚。
How much will you sell me this for?
把这个东西卖给我要多少钱？
He opened it and saw the man from downstairs.
他打开门，看见楼下人。