permafrost
音標(biāo)發(fā)音
- 英式音標(biāo) [?p??.m?.fr?st]
- 美式音標(biāo) [?p??.m?.frɑ?st]
- 國(guó)際音標(biāo) ['p?:m?fr?:st]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. 多年凍土;永久凍結(jié)帶;永久冰凍
同根派生
- adj性質(zhì)的同根詞
- permanent:永久的,永恒的;不變的。
- adv性質(zhì)的同根詞
- permanently:永久地,長(zhǎng)期不變地。
- n性質(zhì)的同根詞
- permanent:燙發(fā)(等於permanen ave)。
- permanence:持久;永久。
- permanency:永久;耐久性;永久的事物。
英漢例句
- Perhaps this is caused by the sudden melting of subsurface permafrost.
可能是地下永久凍土突然融化所造成. - This is the vegetational climate of arctic permafrost regions.
這是北極永凍地區(qū)的植物氣候. - The harder the material under the permafrost is, the larger the chamber charge required.
永凍層之下的土壤越硬, 所需要的葯室裝葯量也越大. - Perhaps this is caused by the sudden melting of subsurface permafrost.
可能是地下永久凍土突然融化所造成. - The harder the material under the permafrost is, the larger the chamber charge required.
永凍層之下的土壤越硬, 所需要的葯室裝葯量也越大.
詞組短語(yǔ)
- Permafrost Roadbed 多年凍土;凍土路基
- active permafrost 活躍永凍層;活動(dòng)性永久冰層;[地質(zhì)]活動(dòng)永凍土;活動(dòng)永凍土
- relict permafrost 殘餘永凍土;[地質(zhì)]殘遺永久凍土;殘遺永久凍土
- permafrost aggradation 多年凍土進(jìn)化;凍土進(jìn)化
- Permafrost Trap 永凍陷阱
短語(yǔ)
英英字典
- an area of land that is permanently frozen below the surface
- Permafrost is land that is permanently frozen to a great depth.
劍橋英英字典
柯林斯英英字典
專(zhuān)業(yè)釋義
- 多年凍土
Patchy permafrost is ede of vast and continuous permafrost zone which is degrading, it is discontinuous horizontally.
島狀多年凍土是大片連續(xù)多年凍土退化的邊緣地帶,具有平麪上不連續(xù)特點(diǎn)。土木建築工程
- 多年凍土
Finally, the reasonable design parameters were provided to the project, and the investigation was significant to the design of the thermosyphon foundation in the permafrost region in China.
最終,爲(wèi)該工程取得了郃理的設(shè)計(jì)蓡數(shù)。 以上工作將對(duì)多年凍土地區(qū)熱樁基礎(chǔ)的設(shè)計(jì)有重要的蓡考價(jià)值。地球科學(xué)
- 多年凍土
- 永凍區(qū)
- 永久凍結(jié)
- 永久凍土
- 永凍
- 永凍土
- 永凍層
- 永久凍土
- 永凍層