Precipitinogen
n. [醫(yī)]沉淀原, 沉淀素原
??? 情景例句
It's a nap. Tomorrow morning at ten o'clock.
簡單得很。明早十點。
Faults are thick where love is thin.
一朝情意淡，樣樣不順眼。
Hello! 609 8724.
喂！這兒是609 8724。