&rarr;
</span>
<span id="ebbinghaus_decay">
	衰减率：
</span>
<span id="ebbinghaus_forgetting">
	最佳时机：
</span>
<span id="ebbinghaus_recall">
	回想的时间点：
</span>
<span id="ebbinghaus_recalls">
	多个回想的时间点：
</span>
<span id="ebbinghaus_auto">
	自动优化！
</span>

<!-- Leitner Calendar -->
<!--
TRANSLATOR NOTE：
The exact three characters [N] is how the code knows where to put the number.
When you translate, make sure the [N] is there if it was there in the origin