Fle
[医][=factor LE]LE因子，红斑狼疮因子
🗣️ 情景例句
Please, after you.
你先请。
The sewing machine is out of order.
这缝纫机坏了。
examined a very large number of men working on aircraft carriers:
调查了许多在航空母舰上工作的人，