Lef
[医][=leukokinsis-enhancing factor]白细胞移动增强因子
🗣️ 情景例句
That's the worst part--making decisions.
最伤脑筋的是要作决定。
I was wondering if you'd let me stay with you for a few days.
不知道你能否让我在你这里住几天。
In 1963 a Lancaster bomber crashed on Wallis Island,
1963年，一架兰开斯特轰炸机在瓦立斯岛毁。