Fle
[医][=factor LE]LE因子，红斑狼疮因子
🗣️ 情景例句
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
It's December.
现在是十二月。
Waves are the children of the struggle between ocean and atmosphere.
海浪是大海和空气相斗的产物。