What the plants pump through the air is a mixture of chemicals known asvolatile organic compounds, VOCs for short.
植物输送到空气中的是挥发性有机化合物的混合物, 简称 VOCs。
2017全国卷
"it was heated to evaporate the volatiles"
"volatile oils"
"volatile solvents"
"an explosive issue"
"a volatile situation with troops and rioters eager for a confrontation"
"fickle friends"
"a flirt's volatile affections"
"volatile stocks"
"volatile emotions"
1.易变的;动荡不定的;反复无常的
A situation that isvolatile is likely to change suddenly and unexpectedly.
e.g. There have been riots before and the situation isvolatile...
以前曾发生过暴乱，现在局势不太稳定。
e.g. The international oil markets have been highlyvolatile since the early 1970s...
从20世纪70年代初开始，国际石油市场就一直很不稳定。
2.（人）易变的，情绪无常性的
If someone isvolatile, their mood often changes quickly.
e.g. He accompanied thevolatile actress to Hollywood the following year...
第二年他陪着这位情绪无常的女演员去了好莱坞。
e.g. He has avolatile temper.
他脾气反复无常。
3.（液体等物质）易挥发的，易发散的
Avolatile liquid or substance is one that will quickly change into a gas.
e.g. It's thought that the blast occurred whenvolatile chemicals exploded.
人们认为，易挥发的化学物质爆炸时产生了冲击波。
1. 挥发性：有两种主要的类型-{zh-cn:易失性;zh-tw:挥发性}-(volatile)记忆体:指的是当电源供应中断后,记忆体所储存的资料便会消失,一般称之为[[随机存取记忆体]]([[RAM]]).
2.
2. 挥发性的：在高性能的示踪检波器(solid track detectors)的帮助下,宇宙中子研究也已展开,位乌克兰和德国科学家们鉴定了Galindez 岛上的200 种具挥发性的(volatile)有机物和群岛(Argentine Archipelago Islands)上的大地测量网.
3. 易失的：在典型的 PC 中,此内存是 易失的(volatile),也就是说,它需要有电源才能保存数据. 关闭 PC,内存就会被清空. 从另一个角度来说,当我们关闭一台 PC 后,它就只是一堆硬件组件,什么也做不了,直到它被重构(reprogrammed). 当启动机器时会发生重构;
4. 易变的：要注意在写DCACHE之前一定要禁止数据缓存(STATUS寄存器的DC位要置0) .如果 大量数据缓存要被设为失效,可以把相应存储区域声明为易变的(volatile) ,这样C编译器 nios-elf-gcc会使用PFXIO绕过缓存访问数据,从而避免了使缓存失效的操作.
政局变得更加动荡不定。
Food and fuel prices are very volatile in a war situation.在战争环境下,食物和燃料的价格都很不稳定。
He has a highly volatile personality.他有着反复无常的个性。
He had a rather volatile temper and can't have been easy to live with.他脾气暴躁,很难相处。
Petrol is volatile.汽油容易挥发。
a highly volatile personality反复无常的个性
a highly volatile situation from which riots might develop可能会出现动乱的极不稳定的局势
a volatile exchange rate剧烈波动的汇率
Petrol is a volatile substance.汽油是挥发性物质。
There have been riots before and the situation is volatile...以前曾发生过暴乱，现在局势不太稳定。
The international oil markets have been highly volatile since the early 1970s...从20世纪70年代初开始，国际石油市场就一直很不稳定。
He accompanied the volatile actress to Hollywood the following year...第二年他陪着这位情绪无常的女演员去了好莱坞。
He has a volatile temper.他脾气反复无常。
It's thought that the blast occurred when volatile chemicals exploded.人们认为，易挥发的化学物质爆炸时产生了冲击波。
Of course, that's an average figure, so some foreign were indeed more volatile than the U.当然, 这只是个平均值, 某些外国股市的波动的确比美国市场更剧烈.
Chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97.7'u2103.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.
All dealing spreads are subject to variation, especially in volatile market conditions.所有的交易差价都可能发生变化, 特别是在一个市场极其波动的情况下.
A volatile stock would have a high standard deviation.不稳定的股票会有一个高的标准离差.
He is highly nervous and volatile in temperament.他生性神经过敏,喜怒无常.
volatile content is determined by baking a sample under specified time and temperature conditions.可挥发份含量通过烘烤样品在确定的时间和温度条件下得到.
Women fought with riot police as fresh protests broke out in China's volatile Xinjiang province today.维族妇女与防爆警察产生冲突,这一事件是在中国新疆维吾尔族自治区爆发事件后新的公开示威活动.
The method is not suitable for bearingoil because it is volatile on the ground.因轻质油在地面易挥发,所以不宜使用该方法进行判识.
Mercury is appreciably volatile even at room temperature.即使在室温下,水银的发挥性也很显著.
Edwards was a dangerously volatile character.爱德华喜怒无常,十分危险.
Results 24 and 28 compounds of volatile oils from Artemisia and Artemisia annul L. were identified.结果从分析的结果来看,在青蒿中共鉴定出24个化合物,黄花蒿中鉴定出28个化合物.
Still, traders described conditions in the financial markets as unsettled and volatile.不过, 交易员仍将金融市场状况形容为走势不稳且波动.
Kites are volatile in the wild wind.风筝在大风中能飞.
Shishinanliao volatile, as you are sitting in my arms and let me SHI the same.世事难料变化无常, 就象你现在坐在我的怀里,任由我施为一样.
Objective : To screen the extraction process of volatile oil in Xanthium Powder.目的: 筛选加味苍耳子散挥发油提取工艺.
OBJECTIVE : To study pharmacological effects of bornyl acetate, the main ingredient of Amomum villosum volatile oil.目的: 研究砂仁挥发油主要成分乙酸龙脑酯的药理作用.
With the markets being so volatile, investments are at great risk.由于市场那么变化不定, 投资冒着很大的风险.
It is like the sense of chill that follows immersion of the hand in a volatile liquid.这很像把手浸入挥发性液体后的那种凉飕飕的感觉.
a highly volatile personality反复无常的个性
There have been riots before and the situation is volatile.以前曾发生过暴乱，现在局势不太稳定。
What the plants pump through the air is a mixture of chemicals known asvolatile organic compounds, VOCs for short.
植物输送到空气中的是挥发性有机化合物的混合物, 简称 VOCs。
2017全国卷
