Caseidin
n. [生化]酪蛋白免疫素
??? 情景例句
You took the words right out of my mouth.
我的話讓你先說出來了。
Knowledge is long, life is short.
吾生有涯，而知無涯。
They were also quite sure that a cigarette end did not start the fire.
他們還十分肯定火災也不是由煙頭引起的。