The orbit of a planet..is a broad ellipse in which the sun is..at one focus.
出自: J. BronowskiI raised the beam of my flashlight.., I focused it..on the hole in the yellow ceiling.
出自: R. BradburyGuy tilted forward his glasses and tried to focus the spectacle before him.
出自: O. ManningHe took a little time to focus his eyes properly and decide who I was.
出自: C. AchebeElectrons can be focussed into narrow beams by electrostatic or magnetic lenses.
出自: H. M. RosenbergI focused much of my distemper on London: I noticed only its bad qualities.
出自: C. Priest