Kex
n. （具有傘形花序的）空心莖植物；（空心莖植物的）干莖
??? 情景例句
Scared? Why?
緊張？ 為什么？
Don't rush me.
別催我！
Two factors weigh heavily against the effectiveness of scientific research in industry.
兩個(gè)因素嚴(yán)重地影響工業(yè)里科學(xué)研究的效果：