1.易变的,反复无常的,轻浮的
2.挥发(性)的,飞散(性)的
3.快活的,轻快的
1.a volatile situation can suddenly change or become more dangerous; someone who is volatile can quickly become angry or violent; a volatile region or country is a place where violence is likely to develop suddenly
2.a volatile liquid or substance can easily change into a gas
1.The condenser should be hot enough to allow venting of some of the volatiles carried in the steam.
冷凝器的热度，应足以使蒸气中的一些挥发物质排出。
2.When the researchers isolated tomato plant volatiles and smeared them on the piece of rubber, dodder tried to attack that.
当研究人员将番茄的植物挥发物提取出来，抹在一块橡胶上时，菟丝子就企图攻击这块橡胶。
3.It was demonstrated the secretions of the insect played a key role in stimulating defense response and inducing plant volatiles.
证明昆虫口腔分泌物在启动植物防御反应、诱导植物挥发物合成过程中起到了至关重要的作用。
4.The volatiles increased with the increasing of the torrefaction temperature, on the contrary the solid yield and energy yield all decreased.
随着热解温度升高，液体产物和气体产物量均增加，固体焦的质量产率和能量产率都下降。
5.The relative content of volatiles showed a great difference during the fruit developmental period.
巴厘菠萝在果实发育不同阶段，各香气成分的相对含量变化较大。
6.A simple and convenient method for extracting plant volatiles condensates by liquid nitrogen is introduced.
介绍了植物挥发物提取的一种简易方法———液氮冷凝法。
7.The results showed that, with the concentration of plant volatiles increasing, their EAG responses to plant volatiles became stronger.
结果表明，小菜蛾成虫对金腰箭挥发油的触角电位反应强度与挥发油剂量成正比。
8.Aging could affect the meat flavour. The purpose of this study is to investigate the effect of aging on volatiles in meat of yak.
宰后冷却成熟会影响肉类风味，本实验研究冷却成熟对牦牛肉挥发性风味化合物的影响。
9.Asphalt forms naturally when the light components or volatiles of petroleum have been removed or evaporated.
当石油的轻组分（或挥发分）被迁出或被蒸发即自然地形成沥青。
10.Formability is good, but contraction and directional general than amino plastics big, and contains water volatiles.
成型性较好，但收缩及方向性一般比氨基塑料大，并含有水分挥发物。