例句與造句

1. The world ' s reference bioaerosol sampler is a multi - stage , multi - orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi
   世界標(biāo)準(zhǔn)的微生物采樣器是多級(jí)，多孔瀑布式撞擊采樣器。是為測(cè)量空氣中細(xì)菌和真菌微粒大小分布的濃度而設(shè)計(jì)。
2. It's difficult to find multi-orifice in a sentence. 用multi-orifice造句挺難的