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- SOME PRODUCE TOXIC VAPOURS WHEN HEATED. 有些在遇热时会产生毒性气体。
- Water aspirators that draw toxic vapours into water flowing down the sink may lead to noncompliance with trade waste regulations. 把吸水器中的有毒蒸汽随水流排入水槽是违反商业废物法规的。
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时，可以变成水蒸汽。
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The vapour of the choro and iodo compounds in particular, can be toxic. 氯和碘的化合物的蒸气是有毒的。
- A toxic chemical or other substance. 有毒的化学品或其它物质
- toxic vapour indicator 有毒蒸气指示剂
- The degree to which a substance is toxic. 毒效一种物质毒性所达到的程度
- toxic vapour 有毒雾气
- It can change water into vapour. 它能把水变成蒸汽。
- The vapour of the chlorine and iodo compounds in particular, can be toxic. 氯和碘的化合物的蒸气是有毒的。
- The hot vapour spouted from a rusted pipe. 热蒸汽从一个生了锈的管子里喷了出来。
- Then a brown vapour is given off. 这时会放出一种棕色的气体。
- He sniffed the vapour up (through his nose). 他（用鼻子）吸入蒸气.
- Petrol forms vapour above a certain temperature. 高于一定的温度汽油就形成蒸气。
- When heated,water change into vapour. 给水加热时，它会变成蒸气。
- A substance having a specific toxic effect on certain cells. 细胞毒素对某些细胞有特殊毒害作用的物质
