volunteer (v)
/ˌvɒl.ənˈtɪər/
to offer to do something without being forced to do it or without getting paid for it
laboratory (n)
/ˈlæb.rə.tɔːr.i/
a building or large room where people do scientific and medical experiments or research
needle (n)
/ˈniː.dl̩/
a very thin sharp metal tube used for putting medicine or drugs into your body, or for taking blood out
antibiotic (n)
/ˌænt̬i.baɪˈɑː.t̬ɪk/
a medicine or chemical that can destroy harmful bacteria in the body or limit their growth























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