999英语网 英语单词
Ponton的音标发音
Ponton
英式发音：[pntn]
美式发音
(n.) See Pontoon.
手打:齐妮亚
双语例句
- Mungo Ponton applies Bichromate of Potash in Photography. Edward W. Byrn. 十九世纪发明进展.
- Mungo Ponton, in 1839, discovered the sensitive quality of a sheet of paper treated with bichromate of potash. Edward W. Byrn. 十九世纪发明进展.
- Mungo Ponton, in 1838, discovered the sensitive quality of potassium bichromate, which led up to carbon printing. Edward W. Byrn. 十九世纪发明进展.
手打:齐妮亚