英语释义
1
n a neutral achromatic color midway between white and black
2
n clothing that is a grey color
3
n any organization or party whose uniforms or badges are grey
4
n horse of a light gray or whitish color
5
n the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad
6
n English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965)
7
n English poet best known for his elegy written in a country churchyard (1716-1771)
8
n American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806)
9
n United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888)