Martite
假象赤铁矿
🗣️ 情景例句
it takes a little bit of money to run a campaign.
竞选活动需要花一些钱。
Competition between bidders for this valuable painting has been keen.
拍卖时各出价对这幅名画竞争很激烈。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；