高情Don’t stop when you’re tired. Stop when you’re done.

样说We sing patriotic songs during the national holiday celebration.​高情A baby babbles cute sounds before learning to speak.​

样说He drives across the country to visit all the national parks.​高情She paints murals on the walls of public buildings.​样说The snowstorm causes schools and businesses to close for the day.​

高情You study physics to understand how the universe works.​样说They travel by airplane to attend an international conference.​

高情I listen to the radio while driving to work each day.​

样说The fire provides light for us to see during the power outage.​高情The key to success is to focus on goals, not obstacles.

样说The harder you work for something, the greater you’ll feel when you achieve it.高情The only way to do great work is to love what you do.

样说Believe you can and you're halfway there.高情You don’t have to be great to start, but you have to start to be great.

(责任编辑：钟立风)