常见例句用作名詞 (n.)Inspite of the various difficulties,Chengdao was develoed independantly into a megaton oilfield in a period as short as a few years.工程設計完全依靠自己的力量，尅服了種種睏難，在短短的幾年內就將埕島建設成爲一個百萬噸級的油田。 返回 megaton