名词

1. 力气;力量
Energy is the ability and strength to do active physical things and the feeling that you are full of physical power and life.

2. 毅力；活力
Energy is determination and enthusiasm about doing things.

3. 努力;精力
Your energies are your efforts and attention, which you can direct towards a particular aim.

4. 能量;能源
Energy is the power from sources such as electricity and coal that makes machines work or provides heat.

1. an imaginative lively style (especially style of writing)

e.g. his writing conveys great energy
a remarkable muscularity of style

Synonym: muscularityvigorvigourvim

2. enterprising or ambitious drive

e.g. Europeans often laugh at American energy

Synonym: pushget-up-and-go

3. forceful exertion

e.g. he plays tennis with great energy
he's full of zip

Synonym: vigorvigourzip

4. any source of usable power

e.g. the DOE is responsible for maintaining the energy policy

5. (physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work
the units of energy are joules or ergs

e.g. energy can take a wide variety of forms

Synonym: free energy

6. a healthy capacity for vigorous activity

e.g. jogging works off my excess energy
he seemed full of vim and vigor

Synonym: vimvitality