Annuloid
a. 环状的
🗣️ 情景例句
This could be your lucky day.
今天你要时来运转了。
Please call me before you come.
你来之前请打电话。
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。