explore /ɪkˈsplɔːr/ (verb) to travel to or around an area or a country in order to learn about it Example: The collector likes to explore antique shops looking for bargains
abandon /əˈbændən/ (verb) to leave somebody, especially somebody you are responsible for, with no intention of returning Example: The match was abandoned at half-time because of the poor weather conditions.
fine /faɪn/ (adjective) in good health Example: I am fine.
butterfly /ˈbʌtərflaɪ/ (noun) a flying insect with a long thin body and four large, usually brightly coloured, wings Example: Butterflies are a type of insect with large often brightly coloured wings.
flora /ˈflɔːrə/ (noun) the plants of a particular area, type of environment or period of time Example: We were surprised at the various flora in this area.
fauna /ˈfɔːnə/ (noun) all the animals living in an area or in a particular period of history Example: the local flora and fauna(= plants and animals)
endanger /ɪnˈdeɪndʒər/ (verb) to put somebody/something in a situation in which they could be harmed or damaged Example: Smoking endangers children's health.
ethnic minority /ˌeθnɪk maɪˈnɔːrəti/ (noun) an ethnic group (= a group of people that share a cultural tradition, religion, etc.) , or a member of this group, living in a country where the main ethnic group is different Example: There are a large number of ethnic minorities in this country.
contamination /kənˌtæmɪˈneɪʃn/ (noun) the process or fact of making a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease Example: The water supply is being tested for contamination.
orphan /ˈɔːrfn/ (noun) a child whose parents are dead Example: The children were orphaned by the war.
sub-tropical /ˌsʌbˈtrɒpɪkəl/ (adjective) Example: Vietnam has a sub-tropical climate.
wilderness /ˈwɪldərnəs/ (noun) a large area of land that has never been developed or used for growing crops because it is difficult to live there Example: The Antarctic is the world's last great wilderness.