n. United States writer of western adventure novels (1875-1939)
n. Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554)
n. Englishman who as Prime Minister implemented social reforms including the abolition of slavery throughout the British Empire (1764-1845)
n. any organization or party whose uniforms or badges are grey
n. 灰色
a. 灰色的, 阴沉的
v. (使)成灰色