源地yuán dì
seedbed; fountainhead; source; source region
源文件yuán wén jiàn
source document; source file
放射物fàng shè wù
radiation
放射线fàng shè xiàn
radiation
策源地cè yuán dì
source; place of origin; hotbed
摇钱树yáo qián shù
a ready sourceof money
原声例句
航海英语听力
106. I am dangerous source of radiation.
我船是危险的辐射源。Parth I : ice damage。冰况的危险。
Scishow 精选系列
By comparing his measurements to other sources of radiation, Webb eventually linked it to an isotope of cerium, called cerium-141, which has one more neutron than normal.
Back in the day, if you tuned your TV so it was in between broadcasting channels, then you’d really notice those other sources of radiation — they’d create random noise and changing pixels on your screen.