| alternate |
to take turns (usually followed by "with"). |
| annual |
happening once every year. |
| barrier |
something that blocks the way such as a fence or wall. |
| clamber |
to climb with difficulty or in an awkward way, using hands and feet. |
| delicate |
pleasing to the senses in a light, soft, or mild way. |
| discontent |
not satisfied; unhappy. |
| geography |
the physical features of an area on the earth's surface. |
| hoist |
to lift or haul up using a mechanical device. |
| obedient |
likely or willing to obey rules or orders. |
| perch1 |
to rest or come to rest on a branch or bar. |
| research |
careful study of something in order to find out information about it. |
| similar |
having resemblance or likeness. |
| triumph |
the winning of a great victory or success. |
| visual |
having to do with sight or seeing. |
| worry |
to feel anxious, troubled, or uneasy. |