Precipitinogen
n. [医]沉淀原, 沉淀素原
🗣️ 情景例句
That's five points also.
也是五分。
If it's not too much trouble, I would like some help.
如果你不嫌麻烦的话，我想请你帮个忙。
Why, you may wonder, should spiders be our friends?
你可能会觉得奇怪， 蜘蛛怎么会是我们的朋友呢？