常見例句In the top 200 metres or so of the sea, some dead or faecal matter is turned back into CO2 by microbes and may then re-enter the atmosphere. 在海洋上層200米左右的水體中,有些死亡或排泄物質(zhì)在微生物的作用下轉(zhuǎn)變?yōu)槎趸?,并重新進入大氣層。Scientists are also working to determine the amount of time the virus can survive in the environment on both dry surfaces and in suspension, including in faecal matter. 科學(xué)家也正在研究病毒在乾燥表面或懸服液中可以生存多久,包括在糞便中的存活時間。The faecal matter and urine is only a very small part of the total wastewater but contains the main load of the organic matter and the most of the nutrients. 自上世紀(jì)70年代城市污水管網(wǎng)逐步進入翻修期以來,其費用對歐洲經(jīng)濟發(fā)達國家亦是一個巨大的經(jīng)濟負擔(dān)。To prevent outbreaks of acute gastroenteritis, strict personal, food and environmental hygiene with particular attention to handling of vomitus and faecal matter are very important. 要預(yù)防病毒性腸胃炎在院舍內(nèi)爆發(fā),應(yīng)加緊注重個人、食物及環(huán)境衞生,特別要小心處理嘔吐物及糞便。As a matter of fact, I've never been there before. 事實上我從未到過那兒。 返回 faecal matter