rudimentary

US /ˌrudəˈmɛntəri, -ˈmɛntri/

UK /ˌru:dɪˈmentri/

B2 中高級
adj.形容詞根本的 ; 未發達的
Rudimentary plans for action

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如果下週五人類滅絕了怎麼辦?| 灰色地帶 (What if humans went extinct next Friday? | The Gray Area)

57:53如果下週五人類滅絕了怎麼辦?| 灰色地帶 (What if humans went extinct next Friday? | The Gray Area)