Precipitator
n. 引发者, 沉淀器, 沉淀器操作者\\n[医] 沉淀器
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
Sorry, can I see her before Friday?
对不起，我能周五之前见她吗？
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。