self-sustaining

US /ˌsɛlfsəˈstenɪŋ/

UK /'selfsə'steɪnɪŋ/

B1 中級
otherpos-map.undefined能夠在沒有外部幫助的情況下繼續保持健康狀態。
his puny farms were years from being self-sustaining

影片字幕