Lyolecithin
[医] 溶血卵磷脂
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
You are useless!
你真没用！
I tried losing weight, but nothing worked.
我曾试着减肥，但是毫无效果。