Lanthanoid
镧系元素
🗣️ 情景例句
Lacks knowledge or experience.
知识匮乏或经验不足。
The farthest way about is the nearest way home.
欲速则不达。
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。