Predeposition
预淀积
🗣️ 情景例句
Over?
结束？
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。