Vigorous means using a lot of energy and strength or determination.
举一反三
- He has overcome his difficulties with courage and ______. A: energy B: determination C: strength D: time
- An interesting fact of exercise is that while using a lot of energy it seems to generate more. ( ) A: consume B: waste C: construct D: produce
- Fats are used for and insulation. (energy / strength)
- Diligence, undependability, strength and determination are some of major qualities attached to ox by ancient Chinese.
- Energy conversion, which means the transformation of different energy forms, constitute the basic process of our energy usage.