常見(jiàn)例句雙語(yǔ)例句Automobile exhaust tetraethyl lead is a highly toxic substance.汽車(chē)尾氣中的四乙基鉛是劇毒物質(zhì)。Singlet oxygen, a byproduct of the photosynthetic process by which certain cells convert sunlight into energy, is a highly toxic and reactive substance that tears cells apart.單態(tài)氧是特定細(xì)胞在其光合作用過(guò)程中的副產(chǎn)物之一，而細(xì)胞通過(guò)這一過(guò)程將光轉(zhuǎn)化為能量。該物質(zhì)具有很高的毒性，同時(shí)也是一種可使細(xì)胞破碎的活性物質(zhì)。權(quán)威例句Ricin is a highly toxic substance made from castor beans.NPR: FBI: Arrest Made In Wash. State Ricin Letter Scare 返回 highly toxic substance