Lanthanoid
镧系元素
🗣️ 情景例句
OK. Do you want to get better?
好，你想把病治好吗？
Peter began to hear about the interesting new play.
彼德开始听到新放映的电视剧很精彩。
In that case, we'd like cash on receipt of invoice.
这样的话，您在收到帐单时请付现。