常見(jiàn)例句雙語(yǔ)例句The concentration of acid in vomitus or aspirate need not reach this limit.嘔吐物或吸引液內(nèi)酸的濃度不需要達(dá)到這一程度。Infection results from contact with blood or other body fluids (faeces, vomitus, urine, saliva, and respiratory secretions) with high virus concentration, especially when these fluids contain blood.接觸具有高病毒濃度的血液或其它體液（糞便、嘔吐物、尿、唾液和呼吸道分泌物），尤其當(dāng)這些液體含有血液時(shí)，可產(chǎn)生感染。 返回 vomitus