物质英语怎么说
This substance should not come into contact with food.
Buying clothes that don't require dry cleaning, or hand washing them yourself, can reduce your exposure to this chemical.
There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.
Yet satisfaction with these material purchases wears off fairly quickly.
Biofuel consumption may be as simple as throwing a log on a fire or as complex as burning a combustible gas derived from plant matter in a combined-cycle electricity-generating unit.
The method relies on measuring how chemical variations in drinking water show up in people's hair.
Art and since balance in physical realm, broaden the world of experience.
The substance was synthesized from P-hydroxybenzoic acid through three steps.
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments has already confirmed that accelerated motion causes a traveler's time to be stretched.
The aim is to reverse the decline in the number of tree species or at least to preserve the "genetic material" of all of them.
It takes an incomprehensibly huge amount of similar energy "sticking together," thusly, to form matter.
The lure of money is strong for those who are greedy for wealth, but weak for those who regard material wealth as dung.
Moral decline will not be reversed until people find ways to counter the materialism in society, she says.
The new chemicals also cause nerve damage.
Scientists claim to have identified chemicals produced by certain plants which have powerful cancer-fighting properties.
Once you smell chemicals, immediately talk with your classmates.
Some plants pump out smelly chemicals to keep insects away.
Several chemicals have displaced the oxygen.
The factory was fined for discharging chemicals into the river.
Heavy industry pollutes our rivers with noxious chemicals.
They are competing to be the first to spot something new, but each relies on the other to confirm any sighting.
We would be surprised if those young black holes no longer greedily devoured the material around them and merged with other black holes.
The Hubble images provide further evidence that the undisturbed galaxies are enshrouded by a "cushion" of dark matter, which protects them from their rough-and-tumble neighbourhood.
There were slightly more particles of matter which allowed the universe we all live in to form.
Natural philosophy involved the study of all aspects of the material world, animate and inanimate.