用这些高大上的词汇在你的写作和口语当中，可以加分喔！Use the following vocabulary to impress your examiners!

Placebo

安慰剂 A drug which has no physical effects, used in pharmaceutical tests to compare the physical effects of taking a real drug from its psychological effects.

例句 She was given a placebo, not the real drug, but she said she felt much better.

Placebo Effect

安慰剂效果 The placebo effect is when someone's condition improves because they think they are taking medicine.

She was given a placebo, not the real drug, but she said she felt much better- that's the placebo effect.

A side effect

副作用 An extra, usually bad, occurrence caused by taking a drug.

Drugs should not be tested on animals because there are many possible side effects.

Much of today's modern medicine has side effects. I prefer alternative therapies.

Proof

证据 To show a particular result after a period of time.

The amount of evidence that scientists now have proves that climate change is being caused by humans.

We now have proof that climate change is caused by human activity.

Experiment

实验 A test done in order to learn something or to find out whether something works or is true

Experimenting on animals is necessary in order to discover if new drugs are dangerous or not.

Scientists are conducting experiments to test the effectiveness of the new drug.

Gene

基因 A part of the DNA in a cell which contains information in a special pattern received by each animal or plant from its parents, and which controls its physical development, behaviour, etc

Genes are an important factor in personaility development.

The doctors think his illness was genetic. It came from his mother because she had the same illness when she was young.

Genetic Engineering / Modification

基因工程/ 修改

Changing the structure of the genes of a living thing in order to make it healthier or stronger or more useful to humans.

There is evidence that genetically modified food is harmful to humans.

Some plants have been genetically engineered to be resistant to herbicides.

Genetically Modified Organisms (GMOs)