beam 的 3 个定义
- any of various relatively long pieces of metal, wood, stone, etc., manufactured or shaped especially for use as rigid members or parts of structures or machines.
- Building Trades. a horizontal bearing member, as a joist or lintel.
- Engineering. a rigid member or structure supported at each end, subject to bending stresses from a direction perpendicular to its length.
- (19)
- to emit in or as in beams or rays.
- Radio. to transmit in a particular direction.
- Radio and Television. to direct to a predetermined audience.
- to emit beams, as of light.
- to smile radiantly or happily.
beam 近义词
length of material used as support
ray of light
broadcast on air waves
smile broadly
shine, as a light
make electronic transfer
更多beam例句
- The researchers formed positronium by colliding a beam of positrons with a target, where they met up with electrons.
- Droplets spewed from the person’s speech show up neon green in the laser beam, moving like tiny meteor showers.
- A laser beam hits the debris in orbit and bounces back to Earth, and ground crews can measure how long that takes to figure out where they are and where they are going, alerting you to possible collisions with other objects.
- Meanwhile, the beams going the opposite way have their wavelength compressed by their shorter path.
- But, like the cosmic rays, the beams of light have a marginal effect.
- Back then, no one ever imagined needing to beam live video to ground troops from a fighter jet.
- Conservative columnist George Will calls him a “cherubic 40-year-old…a human beam of sunshine.”
- Her door stands ajar, halving the room with a beam of light.
- Outside the lodge, running along its perimeter, was a small ditch lined by posts topped by a chest-high wooden beam.
- The pulses are from a beam of light produced by the intense magnetic field, which sweeps across Earth as the neutron star rotates.
- The latter went immediately to look for his wife, and found her hidden in an attic, hanging to a beam.
- Cast the beam from thine eye before noticing the mote in that of thy neighbour.
- It was placed immediately over the shaft and pump-rods, requiring no engine-beam.
- A connecting rod worked a balance-beam, which worked the air-pump, feed-pump, and plug-rod for moving the valves.
- A large balance-beam was attached to the pump-rods, near the bottom cross-head.