常見(jiàn)例句Unable to make flame for themselves the earliest peoples probably stored fire by keeping slowburning logs alight or by carrying charcoal in pots. 最早的人類(lèi)不會(huì)自己生火，所以他們通過(guò)保存慢慢燃燒的原木或木炭將火種保存起來(lái)。slowburning construction 耐燃搆造 返回 slowburning