| blink |
to close and open the eyes very quickly. |
| enjoy |
to find pleasure in something. |
| glance |
a quick look. |
| invisible |
not able to be seen. |
| line1 |
a long, thin mark. |
| pulse |
the regular beating of the arteries that is caused by the beating of the heart. The pulse can be felt in the wrist or neck. |
| quite |
completely. |
| scarce |
not being enough; not easy to get. |
| sight |
the ability to see. |
| smoke |
the black, white, or gray gases that you see in the air when something burns. |
| step |
each single movement of your foot as you walk. |
| sunny |
having weather in which the sky is blue and clouds do not block the light of the sun. |
| system |
a group of things or parts that work together as a whole. |
| tape |
a substance made of plastic, cloth, or paper that has glue on one side. It is cut into long, narrow pieces. Tape is used to stick things together. |
| track |
a mark or series of marks left on the ground by the feet of people or animals, or the wheels of machines; trail. |