Lfu
最少使用算法
🗣️ 情景例句
so they're angry at me.
所以他们生我的气。
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
Light the fire not so near the entrance that the wind will blow the fire out, and not so far in that the smoke will fill the cave, said my brother.
“不要太靠近洞口点火，风会把火吹灭的；也不要太靠里面，那样烟会充满山洞的，”我弟弟说，