物理（4）

旁白 neutral

The opera singer's voice has very good resonance

歌剧歌手的声音很有穿透力。

旁白 neutral

Coarse fabric will chafe your skin

粗糙的布料会擦伤你的皮肤。

旁白 neutral

Friction between two sticks can create a fire ./The wheel has been expired due to friction

两条棍儿相互摩擦可生火。/因为摩擦，轮子报废了。

旁白 neutral

Thermodynamics studies the relationship between heat , work , and energy in physical systems

热力学研究物理系统中热、功和能量之间的关系。

旁白 neutral

Proper ventilation is essential in closed spaces to maintain good air quality

在封闭空间中，适当通风对保持良好空气质量至关重要。

旁白 neutral

The path down the declivity was slippery after the rain

雨后，下倾的斜面小路很滑。

旁白 neutral

Her body had dehydrated dangerously with the heat

因为高温，她的身体已严重脱水。

旁白 neutral

He diluted the wine with water

他在酒中兑了水。

旁白 neutral

My office is filled with useless clutter

我的办公室堆满了无用的杂物。

旁白 neutral

Chaos and order are two phenomena in nature

混乱和秩序是自然界的两种现象。

旁白 neutral

Distillation is used to produce pure water

蒸馏法用于生产纯净水。

旁白 neutral

Centigrade scale is used in most countries except the United States

除了美国，大多数国家都采用摄氏温标。

旁白 neutral

The thermometer showed a sharp drop in temperature overnight

温度计显示夜间温度急剧下降。

旁白 neutral

The light microscope magnifies the object 1 ,000 diameters

光学显微镜能把物体放大一千倍。

旁白 neutral

Astronomers use powerful telescopes to observe distant galaxies

天文学家使用高倍望远镜观测遥远星系。

旁白 neutral

Electrons orbit the nucleus of an atom in specific energy levels

电子在特定能级围绕原子核运转。

旁白 neutral

Positively charged ions are attracted to negatively charged electrodes

正电荷离子会被吸引到负电荷电极。

旁白 neutral

Neutrons are subatomic particles found in the nucleus of an atom , carrying no electric charge

中子是存在于原子核中的亚原子粒子，不带电荷。

旁白 neutral

The nucleus of an atom contains protons and neutrons , accounting for most of its mass

原子核包含质子和中子，占其大部分质量。

旁白 neutral

Each proton in an atom's nucleus has a positive electric charge

原子的原子核中每个质子都带有正电荷。

旁白 neutral

All matter is composed of atoms , the basic building blocks of the universe

所有物质都由原子构成，原子是宇宙的基本组成单位。

旁白 neutral

Friction between two sticks can create a fire . The wheel has been expired due to friction

两条棍儿相互摩擦可生火/因为摩擦，轮子报废了。