It's been announced that free practice sets with AI scoring will be provided. That's amazing.

它宣布将提供带有人工智能评分的免费练习集。太棒了。

There are various methods of spaced repetition, some involve having a series of boxes where you put the words you know very well and the words you don't know as well, and you decide when to practice each set.

有多种间隔重复的方法，有些涉及到有一系列的方框，你可以在其中放置你非常熟悉的单词和你不熟悉的单词，然后你决定何时练习每组。