2017年托福考试听力听力场景词汇（二十一）

　　ambient light

　　环境光

　　bounce off

　　反射出来

　　cell phone

　　手机

　　downward

　　adv. 向下

　　dust particle

　　尘粒

　　electromagnetic radiation

　　电磁辐射

　　This makes them ideal for long-distance travel, as neutrinos are undisturbed by gas, dust and other matter that can block radio waves and other types ofelectromagnetic radiation.

　　electronics

　　n. 电子技术

　　emit

　　v. 发出

　　They emit high frequency pulses of sound through their mouth or nose which bounce off surfaces and objects around them.

　　faintadj.

　　微弱的

　　illuminate

　　v. 照亮

　　interfere with

　　干扰，妨碍

　　Groups of reporters and admirers are often on hand to watch the event. There have been no attempts to interfere with the Toaster or to unmask him - most likely out of respect for the tradition.

　　interference

　　n. 干扰

　　He was reckoning without her mother's interference

　　irony

　　n. 讽刺意味的事

　　light pollution

　　光污染

　　light up

　　照亮

　　light wave

　　光波

　　molecule

　　n. 分子

　　nitrogen

　　n. 氮

　　observatory

　　n. 天文台

　　With a full-power observatory in place, that explanation, as well as a better explanation of high-energy astrophysical phenomena throughout the universe, may be available in the years to come.

　　optical astronomy

　　光学天文学

　　optical telescope

　　光学望远镜

　　Made with data from the Nordic Optical Telescope in the Canary Islands, the composite picture shows extended emission from the nebula.

　　Photon

　　n. 光子

　　radio astronomy

　　射电天文学

　　radio communication

　　无线电通信

　　Following the decision to digitize the battlefield, radio communicationequipment, night-vision goggles, and other electronic equipment become essential items in a foot soldier's backpack.

　　radio telescope

　　射电望远镜

　　Astronomers talk of placing a radio telescope on the moon's far side; energy experts want to mine the moon's helium 3, an isotope that could power clean-fusion reactors back on Earth.

　　radio wave

　　无线电波，射电波

　　If you hook a radio wave up with a radio, you can tell the radio wave was there because what the radio is doing?

　　remote control

　　遥控装置

　　satellite dish

　　碟形卫星天线

　　Scatter

　　v. 散开，散射

　　In this scenario, all the electrons eventually scatter during their long trip along the sandwich: the spin-up electrons from one iron layer and the spin-down electrons from the other.

　　signal

　　n. 信号

　　The only thing you should normally do inside a signal handler is set a global flag that will be processed later.

　　sophisticated

　　adj. 复杂精细的

　　Most of these are not suitable for sophisticated UI evaluation but can serve you well for simulation and analysis of performance.

　　technological advance

　　技术进步

　　unshielded

　　adj. 未遮盖的

　　water droplet

　　水滴