radiocarbon
音標發(fā)音
- 英式音標 [,re?d???'kɑ?b(?)n]
- 美式音標 [,red?o'kɑrb?n]
- 國際音標 [,reidi?u'kɑ:b?n]
基本解釋
- n.放射性炭
詞根記憶
- radio(無線的) + carbon(碳)→不經(jīng)過實體傳播的碳→放射性碳
同根派生
- adj性質(zhì)的同根詞
- radioactive：[核]放射性的；有輻射的。
- radiological：放射學的；放射線學的。
- radiolarian：放射蟲類的。
- n性質(zhì)的同根詞
- radioactivity：放射性；[核]放射能力；[核]放射現(xiàn)象。
- radiography：[核]放射線照相術；X光線照相術。
- radiobiology：[生物物理]放射生物學。
- radiochemistry：[核]放射化學。
- radiographer：放射線技師，X光照相師。
- radioimmunoassay：放射免疫檢定法。
- radiolarian：放射蟲。
英漢例句
- And its use in radiocarbon dating.
它使用于放射性碳年代測定法。 - Radiocarbon dating experts have also found advantages from working onsite with archaeologists.
放射性碳測定年代的專家們還發(fā)現(xiàn)了在考古現(xiàn)場工作的各種優(yōu)點。 - Hodgins' team was able to determine that the samples were made between 1404 and 1438 -- quite a narrow range for a radiocarbon measurement.
霍金斯的小組已經(jīng)能夠測出這些樣品年代在1404到1438年之間，這對于放射性碳素測量來說已是個很窄的范圍了。 - Radiocarbon test results from two laboratories show that the flutes are over thirty-five thousand years old.
- And its use in radiocarbon dating.
它使用于放射性碳年代測定法。
麻省理工公開課 - 固態(tài)化學導論課程節(jié)選 - Then two laboratories in the United States and Britain did radiocarbon tests.
- The Manis site was re-dated, which an accurate radiocarbon dating of 13, 800 years ago.
FORBES: CT Scans Reveal Evidence of Ancient Human Hunters in North America
雙語例句
原聲例句
權威例句
詞組短語
- radiocarbon age 放射性碳年齡;放射性碳年令;放射碳年;放射性碳年代
- radiocarbon stratigraphy [地質(zhì)]放射性碳地層學
- radiocarbon ? 射碳
- radiocarbon tracer 放射性碳示蹤物
- natural radiocarbon 翻譯;放射性碳
短語
英英字典
- Radiocarbon is a type of carbon that is radioactive, and which therefore breaks up slowly at a regular rate. Its presence in an object can be measured in order to find out how old the object is.
柯林斯英英字典
專業(yè)釋義
- 射碳
- 放射性碳
- 放射性碳
- 放射性碳
- 尤指碳-14