link

1.How do you link to it?

2.They have planned to link up the two areas by telephone.

announce

1.We dashed off a letter to announce the news.

2.They are hoping that she will announce for governor.

construct

1. We construct ourselves through behavior.

2.The people of China must not forget the past. We must take this spirit and use it to construct our new socialism.

construction

1.The local government raised large sums for highway construction.

2.They bulldozed trees and rubbles from the area and started construction.

contribute

1.How do you plan to contribute?

2.In fact, they do contribute code to the community, which is as it should be.

firework

1. The firework illuminated the night sky.

2.Photo Tip: The long exposures required for firework photography mean slow shutter speeds.

chart

1.With this chart, you can see what they mean.

2.In this window, you can define a threshold for this chart.

positive

1.But not all the news is so positive.

backward

1.He cut the ball so that it bounded almost backward.

2.The backward place has changed into an industrial centre.

spin

1. Imagine it like this: If you spin something, the direction of the axis tends to wobble.

2. Mass is the most obvious. A more subtle measurement is spin.

enthusiastic

1.Here the crowd was thickest and most enthusiastic. 

2.And not only that, people just like to be around enthusiastic people in general.