Lanthanides
高中 Senior High镧族稀土元素, 镧系元素
🗣️ 情景例句
He has a white-collar job.
他做的是白领工作。
Peace on earth and good will towards men.
愿世界得太平，人间持善意。
At exactly that moment, the telephone rang.
恰恰在此时，电话铃响了。